{"title":"BMW B58 Downpipes","description":"\u003cp\u003eDownpipes for the BMW B58 3.0L turbo inline-six, covering Gen 1, Gen 2 and the Gen 3 B58TU2. Cars include the M140i, M240i, 340i and M340i, 440i and M440i and 540i, the X5 on the Gen 3 listing, and the Toyota GR Supra on the listings that say so. Pipe sizes run from 4.5\" to 6\", and options include catless, high-flow catted and 200 or 400-cell versions.\u003c\/p\u003e\u003cp\u003eBrands are Spool Performance, Palenon Performance, IRL and Rvng RaceWorks. The B58 changed between generations, so confirm Gen 1, Gen 2 or Gen 3 (and OPF or non-OPF on Gen 3) before ordering. Catless and high-flow downpipes are intended for off-road \/ competition use and may not be legal for road use in your area.\u003c\/p\u003e\u003cp\u003eSee \u003ca href=\"\/collections\/bmw-b-series-b38-b48-b58\"\u003eBMW B-Series (B38 \/ B48 \/ B58)\u003c\/a\u003e or all \u003ca href=\"\/collections\/exhaust-downpipes\"\u003eexhaust and downpipes\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"bmw-g-series-b58-gen-2-maxflow-downpipe","title":"BMW G-Series B58 Gen 2 MaxFlow Downpipe, Race 200 or 400 Cell","description":"\u003cp\u003eThe IRL MaxFlow Downpipe for the BMW G-Series Gen 2 B58 eliminates the back pressure of the standard catalytic converters for quicker spooling and maximum power from your turbos.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIRL lists up to a 30 hp increase on a tuned B58 with stock turbos. A flex pipe section minimizes stress and vibration, and smooth bends keep airflow high without drone.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eBMW G-Series with the Gen 2 B58\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaxFlow Race\u003c\/li\u003e\n\u003cli\u003eMaxFlow 200 Cell\u003c\/li\u003e\n\u003cli\u003eMaxFlow 400 Cell\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSmooth bends for maximum airflow without drone\u003c\/li\u003e\n\u003cli\u003eFlex pipe section reduces stress and vibration\u003c\/li\u003e\n\u003cli\u003eUp to 30 hp on stock turbos when tuned\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only, not for registered road use. A check engine light may occur. Professional installation is recommended.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"MaxFlow Race","offer_id":46545180655701,"sku":"IRL B581-1C","price":325.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 200 CEL","offer_id":46545180688469,"sku":"IRL B58 200C","price":479.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 400 CEL","offer_id":46545180721237,"sku":"IRL B58-1C","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/B6F824BC-B2B2-4B9D-8CE8-BE3E3B969793.jpg?v=1793113747"},{"product_id":"bmw-b58-gen-3-maxflow-downpipe","title":"IRL B58 Gen 3 MaxFlow Downpipe","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEnhance your engine's performance and eliminate back pressure with the IRL LLC downpipes. By replacing your stock catalytic converters, our downpipes allow for faster turbo spooling and maximum power. A tuned B58 with stock turbos can expect a significant 30HP increase. The included flex pipe Section reduces stress and vibration for a smoother ride. Notable features include...\u003c\/p\u003e\n\u003cdiv id=\"tab1\" class=\"tab-description tab-pane fade show active\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"toggle-content collapse show\" id=\"tab1_mobile\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eProfessional installation Recommended \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#ff0000\"\u003e\u003cb\u003eIt is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with it’s labeling.  Our products are \"Legal Only For Racing Vehicles Which May Never Be Used, Or Registered or Licensed For Use, Upon A Highway.\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003eThese products are designed for off road  purposes only It is \u003cstrong\u003eNOT\u003c\/strong\u003e designed or intended to be used in any way that may violate any laws. IRL LLC will not be responsible for the use of Merchandise.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"IRL LLC","offers":[{"title":"MaxFlow Race","offer_id":46545186193493,"sku":"MS-8368-IRL-IRL L-CAT","price":299.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 200 Cel","offer_id":46545186226261,"sku":"MS-4195-IRL-IRL L-200","price":479.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 400 Cel","offer_id":46545186259029,"sku":"MS-4408-IRL-IRL L-400","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/6BC297C2-7250-4582-8B50-CAEBC4101604.png?v=1793113855"},{"product_id":"bmw-f30-340i-b58-maxflow-downpipe","title":"BMW F30 340i B58 MaxFlow Downpipe | IRL","description":"\u003cp\u003eThe IRL MaxFlow Downpipe for the BMW F30 B58 eliminates back pressure so your turbo spools faster and makes maximum power.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIRL lists a 30 hp increase on a tuned B58 with the stock turbo. The flex section reduces stress and unwanted vibration.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eBMW F30 with the B58 (340i)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSmooth bends for maximum airflow without drone\u003c\/li\u003e\n\u003cli\u003eUp to 30 hp on the stock turbo when tuned\u003c\/li\u003e\n\u003cli\u003eFlex section reduces stress and vibration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only, not for registered road use. A check engine light may occur. Professional installation is recommended.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"Default Title","offer_id":46545187078229,"sku":"MS-3022-IRL-IRL L","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/7582CF8D-F25E-44D0-9D14-944E95353305.png?v=1793113855"},{"product_id":"bmw-b58-gen-3-spool-4-inch-race-downpipe","title":"BMW B58 \/ Toyota B58 Gen 3 Race Downpipe","description":"\u003ch4\u003e\u003cstrong\u003eWE CANNOT GUARANTEE FITMENT ON YOUR 2025 BMW B58, PLEASE BE SURE TO CHECK YOUR DIAGRAM AND MAKE SURE THIS MODEL IS A COMPATIBLE MODEL. WE CAN ASSIST, JUST SEND YOUR VIN TO US.\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eEMAIL: SALES@SPOOLPERFORMANCE.US\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"193\" data-start=\"146\"\u003e\u003cstrong data-end=\"193\" data-start=\"146\"\u003eDesigned Exclusively for Gen 3 B58 Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"569\" data-start=\"195\"\u003eSpool Performance downpipes for the Gen 3 B58 engine are built with a 4” design, precision-machined stainless steel v-band transition, and uncompromising attention to flow and fitment. Unlike most options on the market that taper down near the turbo, our downpipes maintain consistent diameter and a true 3D profile to maximize exhaust velocity and overall performance.\u003c\/p\u003e\n\u003cp data-end=\"732\" data-start=\"571\"\u003eCrafted from high-grade 304 stainless steel, these downpipes are built to handle extreme conditions with superior corrosion resistance and long-term reliability.\u003c\/p\u003e\n\u003cp data-end=\"751\" data-start=\"734\"\u003e\u003cstrong data-end=\"751\" data-start=\"734\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1057\" data-start=\"753\"\u003e\n\u003cli data-end=\"829\" data-start=\"753\"\u003eSignificant horsepower and torque gains \u003c\/li\u003e\n\u003cli data-end=\"883\" data-start=\"830\"\u003eSharper throttle response and quicker turbo spool\u003c\/li\u003e\n\u003cli data-end=\"905\" data-start=\"884\"\u003eReduced turbo lag\u003c\/li\u003e\n\u003cli data-end=\"942\" data-start=\"906\"\u003eAggressive, refined exhaust tone\u003c\/li\u003e\n\u003cli data-end=\"1057\" data-start=\"1001\"\u003ePrecision CNC-machined construction for a perfect seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1170\" data-start=\"1059\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1170\" data-start=\"1059\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1170\" data-start=\"1059\"\u003e\u003cstrong data-start=\"1170\" data-end=\"1191\"\u003eLEGAL DISCLAIMER:\u003c\/strong\u003e This product is intended solely for \u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eclosed-course competition or off-road use\u003c\/strong\u003e and is \u003cstrong data-start=\"1281\" data-end=\"1330\"\u003enot legal for use on public roads or highways\u003c\/strong\u003e. This product modifies or replaces emissions-related equipment and is not compliant with EPA or CARB emissions requirements. Use of this product on vehicles operated on public roads is prohibited. By purchasing this product, the buyer acknowledges and assumes all responsibility for proper use and legal compliance.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564452270165,"sku":"SP-B58G3-DP","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/IMG-1856.png?v=1793250686"},{"product_id":"bmw-b58-spool-5-inch-stainless-steel-race-downpipe","title":"B58 5 Inch Stainless Steel Downpipe Upgrade [Race Downpipes]","description":"\u003cdiv id=\"tab-description\" class=\"tab-content\"\u003e\n\u003ch4\u003eSpool 5 Inch B58 Downpipe\u003c\/h4\u003e\n\u003ch4\u003eWhy Settle for the Same Rebranded Downpipes?\u003c\/h4\u003e\n\u003cp\u003eLet’s face it—most downpipes on the market look the same. They’re just rebranded versions of the same old design with a small, rigid flex section and a laser-engraved logo slapped on. We’re tired of it too. That’s why we created something better. The SPOOL 5-Inch Downpipe is \u003cstrong\u003eour own design\u003c\/strong\u003e, engineered in-house and quality you can trust. And unlike others, our logo is \u003cstrong\u003eCNC machined and welded on\u003c\/strong\u003e, not laser engraved.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose the 5-Inch SPOOL B58 Downpipe?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnique, Deep Exhaust Tone:\u003c\/strong\u003e The larger 5-inch diameter creates a \u003cstrong\u003ericher sound\u003c\/strong\u003e that stands out from the crowd.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Our flexible design makes alignment with your exhaust simple and stress-free—no more fighting with rigid downpipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal Performance Gains:\u003c\/strong\u003e Reduced backpressure means faster turbo spool, more power, and smoother flow. Pair it with a proper tune, and you’ll feel the difference and see significant HP \u0026amp; TQ gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e  Made from \u003cstrong\u003e304-grade stainless steel\u003c\/strong\u003e with a thicker \u003cstrong\u003e2mm design\u003c\/strong\u003e for unmatched strength and durability compared to the standard 1 and 1.5mm options in the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty:\u003c\/strong\u003e Like all SPOOL products, this downpipe is covered by our lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat Makes It Special?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLargest Flex Section on the Market:\u003c\/strong\u003e No one else offers this kind of flexibility on their 5-inch downpipe. It’s designed for easy installation and contributes to the unique sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusive Design:\u003c\/strong\u003e This is the only 5-inch B58 downpipe that looks like this, giving you a product that’s truly one of a kind and not some rebranded pipe that you see on the market.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eThis item fits the following BMWs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cb\u003eFitment guaranteed for all Gen 1 B58 \u0026amp; Gen 2 B58 2 Port\/6 Port\u003c\/b\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F22\/F23 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F30\/F31 BMW 340i \u0026amp; 340i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F32\/F33\/F36 BMW 440i \u0026amp; 440i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G30 BMW 540i \u0026amp; 540i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G20\/G22\/G26 BMW M340i \u0026amp; M440i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2022 F22 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2021–2023 G42 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G05 BMW X5 40i \u0026amp; X5 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G07 BMW X7 40i \u0026amp; X7 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G29 BMW Z4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G11\/G12 BMW 740i \u0026amp; 740i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G06 BMW X6 40i \u0026amp; X6 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2017+ G01 BMW X3 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2018+ G02 BMW X4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G14\/G15\/G16 BMW 840i \u0026amp; 840i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2022+ G70 BMW 740i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNon-BMW Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2019+ Toyota Supra (A90\/A91)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cstrong data-end=\"1191\" data-start=\"1170\"\u003eLEGAL DISCLAIMER:\u003c\/strong\u003e This product is intended solely for \u003cstrong data-end=\"1273\" data-start=\"1228\"\u003eclosed-course competition or off-road use\u003c\/strong\u003e and is \u003cstrong data-end=\"1330\" data-start=\"1281\"\u003enot legal for use on public roads or highways\u003c\/strong\u003e. This product modifies or replaces emissions-related equipment and is not compliant with EPA or CARB emissions requirements. Use of this product on vehicles operated on public roads is prohibited. By purchasing this product, the buyer acknowledges and assumes all responsibility for proper use and legal compliance.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564453056597,"sku":"SP-B58-DP-5","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/racespooldownpipe.jpg?v=1793250685"},{"product_id":"bmw-b58-spool-5-inch-catted-downpipe-with-200-cell","title":"B58 5 Inch Stainless Steel 200 CELL Euro 5 Catted Downpipe Upgrade [Race Downpipes]","description":"\u003cdiv id=\"tab-description\" class=\"tab-content\"\u003e\n\u003ch4\u003eSpool 5 Inch B58 Downpipe 200 CELL CATTED - EURO 5 CATS\u003c\/h4\u003e\n\u003cp\u003eEuro 5 catalytic converter provided in our downpipes. Only the best quality! \u003c\/p\u003e\n\u003ch4\u003eWhy Settle for the Same Rebranded Downpipes?\u003c\/h4\u003e\n\u003cp\u003eLet’s face it—most downpipes on the market look the same. They’re just rebranded versions of the same old design with a small, rigid flex section and a laser-engraved logo slapped on. We’re tired of it too. That’s why we created something better. The SPOOL 5-Inch Downpipe is \u003cstrong\u003eour own design\u003c\/strong\u003e, engineered in-house and quality you can trust. And unlike others, our logo is \u003cstrong\u003eCNC machined and welded on\u003c\/strong\u003e, not laser engraved.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose the 5-Inch SPOOL B58 Downpipe?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnique, Deep Exhaust Tone:\u003c\/strong\u003e The larger 5-inch diameter creates a \u003cstrong\u003ericher sound\u003c\/strong\u003e that stands out from the crowd.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Our flexible design makes alignment with your exhaust simple and stress-free—no more fighting with rigid downpipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal Performance Gains:\u003c\/strong\u003e Reduced backpressure means faster turbo spool, more power, and smoother flow. Pair it with a proper tune, and you’ll feel the difference and see significant HP \u0026amp; TQ gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e  Made from \u003cstrong\u003e304-grade stainless steel\u003c\/strong\u003e with a thicker \u003cstrong\u003e2mm design\u003c\/strong\u003e for unmatched strength and durability compared to the standard 1 and 1.5mm options in the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty:\u003c\/strong\u003e Like all SPOOL products, this downpipe is covered by our lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat Makes It Special?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLargest Flex Section on the Market:\u003c\/strong\u003e No one else offers this kind of flexibility on their 5-inch downpipe. It’s designed for easy installation and contributes to the unique sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusive Design:\u003c\/strong\u003e This is the only 5-inch B58 downpipe that looks like this, giving you a product that’s truly one of a kind and not some rebranded pipe that you see on the market.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eThis item fits the following BMWs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cb\u003eFitment guaranteed for all Gen 1 B58 \u0026amp; Gen 2 B58 2 Port\/6 Port\u003c\/b\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F22\/F23 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F30\/F31 BMW 340i \u0026amp; 340i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F32\/F33\/F36 BMW 440i \u0026amp; 440i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G30 BMW 540i \u0026amp; 540i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G20\/G22\/G26 BMW M340i \u0026amp; M440i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2022 F22 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2021–2023 G42 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G05 BMW X5 40i \u0026amp; X5 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G07 BMW X7 40i \u0026amp; X7 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G29 BMW Z4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G11\/G12 BMW 740i \u0026amp; 740i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G06 BMW X6 40i \u0026amp; X6 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2017+ G01 BMW X3 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2018+ G02 BMW X4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G14\/G15\/G16 BMW 840i \u0026amp; 840i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2022+ G70 BMW 740i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNon-BMW Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2019+ Toyota Supra (A90\/A91)\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e***DOES NOT FIT EURO SPEC W\/OPF***\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cstrong data-end=\"1191\" data-start=\"1170\"\u003eLEGAL DISCLAIMER:\u003c\/strong\u003e This product is intended solely for \u003cstrong data-end=\"1273\" data-start=\"1228\"\u003eclosed-course competition or off-road use\u003c\/strong\u003e and is \u003cstrong data-end=\"1330\" data-start=\"1281\"\u003enot legal for use on public roads or highways\u003c\/strong\u003e. This product modifies or replaces emissions-related equipment and is not compliant with EPA or CARB emissions requirements. Use of this product on vehicles operated on public roads is prohibited. By purchasing this product, the buyer acknowledges and assumes all responsibility for proper use and legal compliance.\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564462133333,"sku":"SP-B58-DP-5","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/5_inch_b58_2_f90c0137-65e2-42dd-8668-8200878bde84.jpg?v=1793250697"},{"product_id":"bmw-b58-spool-4-5-stainless-race-downpipe","title":"B58 Stainless Steel Downpipe Upgrade 4.5\" [Race Downpipes]","description":"\u003cdiv class=\"tab-content\" id=\"tab-description\"\u003e\n\u003cdiv class=\"Polaris-Header-Title__TitleMetadata\"\u003eSpool B58 Downpipe 4.5” Race Downpipe\u003c\/div\u003e\n\u003cdiv class=\"Polaris-Header-Title__TitleMetadata\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"Polaris-Header-Title__TitleMetadata\"\u003eDo not buy downpipes with 100 welds, more prone to cracking as for why we designed it this way, many other companies have a weld right before the turbo flange, as that area is prone to a lot of stress, many other companies weld with zero penetration and its a common failure point on their downpipes. \u003c\/div\u003e\n\u003cdiv class=\"Polaris-Header-Title__TitleMetadata\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eProduct Highlights:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 Grade Stainless Steel Construction:\u003c\/strong\u003e Crafted for durability and resistance to corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Flow Design:\u003c\/strong\u003e Features smooth transitions to maximize exhaust flow efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Flex Section for Easy Installation:\u003c\/strong\u003e We've addressed the challenges of installing downpipes with a rigid flex section. Our newly, highly flexible design makes alignment with your exhaust significantly easier, ensuring a hassle-free installation process for all you DIYers!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCovered Under the SPOOL Lifetime Warranty:\u003c\/strong\u003e As with all our products, you can buy with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade to SPOOL Downpipes?\u003c\/h3\u003e\n\u003cp\u003eDownpipes are among the best value-for-money modifications for your turbocharged BMW. Here’s why:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e Our optimized design minimizes backpressure on the turbos, allowing them to build boost more efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProlonged Turbo Life:\u003c\/strong\u003e Lower backpressure means less stress on your turbos, extending their lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Gains with a Tune:\u003c\/strong\u003e Expect a significant increase in power when paired with a proper tune.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Sound:\u003c\/strong\u003e Enjoy a more aggressive exhaust note once these are installed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWith our improved flexible design and unmatched quality, upgrading your B58 with SPOOL downpipes is an easy choice!\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThis item fits the following BMWs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cb\u003eFitment guaranteed for all Gen 1 B58 \u0026amp; Gen 2 B58 2 Port\/6 Port\u003c\/b\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F22\/F23 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F30\/F31 BMW 340i \u0026amp; 340i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ F32\/F33\/F36 BMW 440i \u0026amp; 440i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G30 BMW 540i \u0026amp; 540i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G20\/G22\/G26 BMW M340i \u0026amp; M440i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2022 F22 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2021–2023 G42 BMW M240i \u0026amp; M240i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G05 BMW X5 40i \u0026amp; X5 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G07 BMW X7 40i \u0026amp; X7 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G29 BMW Z4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2016+ G11\/G12 BMW 740i \u0026amp; 740i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G06 BMW X6 40i \u0026amp; X6 xDrive40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2017+ G01 BMW X3 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2018+ G02 BMW X4 M40i\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2019–2023 G14\/G15\/G16 BMW 840i \u0026amp; 840i xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2022+ G70 BMW 740i \u0026amp; xDrive\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNon-BMW Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2019+ Toyota Supra (A90\/A91)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cstrong data-end=\"1191\" data-start=\"1170\"\u003eLEGAL DISCLAIMER:\u003c\/strong\u003e This product is intended solely for \u003cstrong data-end=\"1273\" data-start=\"1228\"\u003eclosed-course competition or off-road use\u003c\/strong\u003e and is \u003cstrong data-end=\"1330\" data-start=\"1281\"\u003enot legal for use on public roads or highways\u003c\/strong\u003e. This product modifies or replaces emissions-related equipment and is not compliant with EPA or CARB emissions requirements. Use of this product on vehicles operated on public roads is prohibited. By purchasing this product, the buyer acknowledges and assumes all responsibility for proper use and legal compliance.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564523016277,"sku":"SP-B58-DP","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/4.5_dp.png?v=1793250863"},{"product_id":"bmw-gen-3-b58tu2-6in-downpipe","title":"RVNG 6\" XL Flow Downpipe BMW Gen 3 B58 (B58TU2)","description":"\u003cp style=\"border:2px solid #9e0808;background:#fdf2f2;padding:12px 16px;border-radius:8px;margin-bottom:16px;\"\u003e\u003cstrong\u003e⚠️ (THIS PRODUCT IS FOR OFFROAD \u0026amp; RACE USE ONLY)\u003c\/strong\u003e\u003cbr\u003eNot 50-state compliant — may not be legal for street use depending on your state's emissions laws. See our \u003ca href=\"\/pages\/rvng-off-road-disclaimer\"\u003eOff-Road Use Disclaimer\u003c\/a\u003e for full details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRVNG 6” Gen 3 B58 Downpipe – The Largest on the Market\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment chart below.\u003c\/strong\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnleash the full potential of your Gen 3 B58-powered BMW with the \u003c\/span\u003e\u003cspan\u003eRVNG 6” Race Downpipe\u003c\/span\u003e\u003cspan\u003e, engineered specifically for the latest B58TU2 engine platform. Designed by \u003c\/span\u003e\u003ca href=\"https:\/\/rvngraceworks.com\/\"\u003e\u003cspan\u003eRvng RaceWorks\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, this premium \u003c\/span\u003e\u003cspan\u003ePerformance Downpipe\u003c\/span\u003e\u003cspan\u003e delivers exceptional exhaust flow, faster turbo response, and increased power for both street and track applications.\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMost Gen 3 B58 downpipes on the market use a 4.5” or 5” design. \u003c\/span\u003e\u003cspan\u003eRvng RaceWorks\u003c\/span\u003e\u003cspan\u003e takes it a step further with a massive 6” inlet, giving your turbo more room to breathe and creating a smoother path for exhaust gases to exit. This \u003c\/span\u003e\u003cspan\u003eHigh Flow Downpipe\u003c\/span\u003e\u003cspan\u003e helps reduce backpressure, improve overall engine efficiency, and maximize performance under demanding driving conditions.\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePrecision-built from high-quality materials for durability and a precise fit, it is the ideal upgrade for enthusiasts seeking reliable performance. Experience the difference with \u003c\/span\u003e\u003cspan\u003eRvng RaceWorks\u003c\/span\u003e\u003cspan\u003e and take your Gen 3 B58 to the next level. See the RVNG 6” Race Downpipe in action follow Rvng RaceWorks on \u003c\/span\u003e\u003ca href=\"https:\/\/www.instagram.com\/rvng_raceworks\/\"\u003e\u003cspan\u003eInstagram\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for builds, installs, and performance content.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThe difference is more than just size. A 4.5” downpipe has roughly 15.90 square inches of cross-sectional area. A 5” downpipe has roughly 19.63 square inches. Our 6” design provides roughly 28.27 square inches of area, giving it about 44% more flow area than a 5” downpipe and about 78% more flow area than a 4.5” downpipe.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOn a turbocharged car, restriction after the turbine is the enemy. By increasing flow area and reducing post-turbo backpressure, the RVNG 6” Gen 3 B58 Downpipe is designed to help improve turbo efficiency, support better response, and provide more headroom for higher-power setups.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBuilt from premium 304 stainless steel, TIG-welded for strength, and finished with CNC-machined flanges for OEM-like fitment, this downpipe was designed, tested, and proven in-house by RVNG RaceWorks.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWhether you are chasing high horsepower or simply want the best-flowing bolt-on option for your Gen 3 B58, the RVNG 6” Downpipe gives you the airflow advantage no one else can.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMassive 6” inlet design for maximum exhaust flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFits all Gen 3 B58TU2-powered BMW models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoughly 44% more flow area than a 5” downpipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoughly 78% more flow area than a 4.5” downpipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to reduce post-turbo backpressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports improved turbo efficiency and power potential\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium 304 stainless steel construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully TIG-welded for strength and durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCNC-machined flanges for precise OEM-like fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned, tested, and proven in-house by RVNG RaceWorks\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2025+ BMW M340i\/M340iX G20 LCI\/G21 LCI\u003c\/li\u003e\n\u003cli\u003e2025+ BMW M440i\/M440iX G22\/G23\/G26 LCI\u003c\/li\u003e\n\u003cli\u003e2025+ BMW M540iX \/ 550eX G60\/G61\u003c\/li\u003e\n\u003cli\u003e2025+ BMW 735i\/740i\/740ix\/750eX\/M760eX G70\u003c\/li\u003e\n\u003cli\u003e2025+ BMW X3 M50 G45 \u003c\/li\u003e\n\u003cli\u003e2023+ BMW X5 LCI 40i\/40iX\/50eX G05\u003c\/li\u003e\n\u003cli\u003e2023+ BMW X6 LCI 40iX G06\u003c\/li\u003e\n\u003cli\u003e2023+ BMW X7 LCI 40iX G07\u003c\/li\u003e\n\u003cli\u003e2023+ BMW XM 50e G09 \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan\u003eNote: Tune not required to run safely.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rvng RaceWorks","offers":[{"title":"Uncoated","offer_id":46665979494485,"sku":"RVNG-DP-B58-GEN3-UNC","price":479.99,"currency_code":"USD","in_stock":true},{"title":"High Temp Ceramic Coating","offer_id":46665979527253,"sku":"RVNG-DP-B58-GEN3-CK","price":639.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/IMG-3796.jpg?v=1794183019"},{"product_id":"bmw-gen-1-2-b58-5in-xl-flow-downpipe","title":"BMW Gen 1 \u0026 2 B58 Rvng 5\" XL Flow Downpipe (Also Fits Supra)","description":"\u003cp\u003eThe Rvng XL Flow 5\" downpipe is a full 5\" SS304 stainless downpipe for Gen 1 and Gen 2 B58 BMWs.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eA CNC 304 stainless flange gives a smooth transition from the turbo to the midpipe. Rvng quotes 15-20 whp without a tune and 25-30 whp with one.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAll Gen 1 and Gen 2 B58 BMW models (1, 2, 3, 4, 5 and 7 Series, RWD and xDrive)\u003c\/li\u003e\n\u003cli\u003eAlso fits the Toyota GR Supra (B58)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFull 5\" design\u003c\/li\u003e\n\u003cli\u003eHand-crafted, TIG-welded SS304 stainless steel\u003c\/li\u003e\n\u003cli\u003eCNC tube bending with smooth radius bends\u003c\/li\u003e\n\u003cli\u003eCNC SS304 stainless flanges\u003c\/li\u003e\n\u003cli\u003eUncoated or high-temp ceramic coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. A supporting tune is recommended. Confirm fitment with your VIN before ordering.\u003c\/p\u003e","brand":"Rvng RaceWorks","offers":[{"title":"High Temp Ceramic Coated","offer_id":46665979297877,"sku":"RVNG-DP-B58-5IN-CK","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Uncoated","offer_id":46665979330645,"sku":"RVNG-DP-B58-5IN-UNC","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/BCEBBF08-087E-470E-A772-C367187945C0.jpg?v=1794183019"},{"product_id":"bmw-b58-gen-1-gen-2-4-5in-race-downpipe-v2","title":"BMW B58 Gen 1 \/ Gen 2 4.5in Race Downpipe V2 - M340i, M240i, 540i","description":"\u003cp\u003eThe Palenon Performance Version II 4.5in downpipe is engineered for Gen 1 and Gen 2 B58 engines, replacing the restrictive OEM catalytic converter to dramatically improve turbo efficiency.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eRobust 304 stainless and precision-formed 4.5in smooth radius bends deliver quicker spool, more horsepower and torque, and a deeper, more aggressive exhaust tone with pops.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2016+ F20 M140i; 2016-2024 F22 \/ F23 M240i; 2021+ G42 M240i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F30 \/ F31 340i; 2020-2024 G20 \/ G21 M340i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F32 \/ F33 \/ F36 440i; 2020-2024 G22 \/ G23 \/ G26 M440i\u003c\/li\u003e\n\u003cli\u003e2016+ G30 540i; 2016-2023 G32 640i GT; 2016-2022 G11 \/ G12 740i\u003c\/li\u003e\n\u003cli\u003e2019+ G14 \/ G15 \/ G16 840i\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 X3 M40i and G02 X4 M40i; G05 X5 40i; G06 X6 40i; G07 X7 40i\u003c\/li\u003e\n\u003cli\u003e2019-2024 G29 Z4 M40i\u003c\/li\u003e\n\u003cli\u003eAlso fits the Toyota GR Supra A90 \/ A91 3.0T\u003c\/li\u003e\n\u003cli\u003exDrive versions included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or high-flow catted\u003c\/li\u003e\n\u003cli\u003e304-grade stainless steel, 4.5in smooth radius bends\u003c\/li\u003e\n\u003cli\u003eDirect fit for RHD and LHD, no modifications\u003c\/li\u003e\n\u003cli\u003eCompatible with factory and aftermarket exhaust systems\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. The catless version will set a check engine light; the CEL delete kit may not clear it on 2019+ vehicles. The high-flow catted version is not certified emissions legal. A supporting tune is recommended. Gen 3 (B58TU2) cars need a different downpipe.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ Don't Add","offer_id":46665988178005,"sku":"DP-B58-Gen1T2-V2CTS","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988210773,"sku":"DP-B58-Gen1T2-V2CTS-CEL","price":349.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Don't Add","offer_id":46665988243541,"sku":"DP-B58-Gen1T2-V2CTD","price":459.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988276309,"sku":"DP-B58-Gen1T2-V2CTD-CEL","price":489.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/palenon-performance-b58-racing-downpipe_a7589c3a-c18a-46c0-aa51-0fb7f491a610.jpg?v=1794183335"},{"product_id":"bmw-b58-gen-1-gen-2-5in-race-downpipe","title":"BMW B58 Gen 1 \/ Gen 2 5in Race Downpipe - M340i, M240i, 540i","description":"\u003cp\u003eThe Palenon Performance 5in B58 downpipe keeps a large diameter all the way from the turbo, stepping from 4.5in to 5in to 4in before the 3.15in OEM connection, for maximum flow on Gen 1 and Gen 2 B58 BMWs.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eInstead of necking down to 3in at the flex joint, the pipe stays big right after the turbo for quicker spool and sharper response. Palenon quotes 30+ hp with a proper tune and a warm, deep exhaust note with pops.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2016+ F20 M140i; 2016-2024 F22 \/ F23 M240i; 2021+ G42 M240i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F30 \/ F31 340i; 2020-2024 G20 \/ G21 M340i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F32 \/ F33 \/ F36 440i; 2020-2024 G22 \/ G23 \/ G26 M440i\u003c\/li\u003e\n\u003cli\u003e2016+ G30 540i; 2016-2023 G32 640i GT; 2016-2022 G11 \/ G12 740i\u003c\/li\u003e\n\u003cli\u003e2019+ G14 \/ G15 \/ G16 840i\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 X3 M40i and G02 X4 M40i; G05 X5 40i; G06 X6 40i; G07 X7 40i\u003c\/li\u003e\n\u003cli\u003e2019-2024 G29 Z4 M40i\u003c\/li\u003e\n\u003cli\u003eAlso fits the Toyota GR Supra A90 \/ A91 3.0T\u003c\/li\u003e\n\u003cli\u003exDrive versions included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or high-flow catted\u003c\/li\u003e\n\u003cli\u003e5in diameter with smooth transitions\u003c\/li\u003e\n\u003cli\u003eAll stainless steel, TIG welded and back-purged\u003c\/li\u003e\n\u003cli\u003eFits RHD and LHD with no modifications\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. The catless version will set a check engine light; the CEL delete kit may not clear it on 2019+ vehicles. The high-flow catted version is not certified emissions legal. A supporting tune is recommended. Gen 3 (B58TU2) cars need a different downpipe.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ Don't Add","offer_id":46665988669525,"sku":"DP-B58-Gen1T2-5CTS","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988702293,"sku":"DP-B58-Gen1T2-5CTS-CEL","price":389.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Don't Add","offer_id":46665988735061,"sku":"DP-B58-Gen1T2-5CTD","price":529.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988767829,"sku":"DP-B58-Gen1T2-5CTD-CEL","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/5_B58_downpipe.jpg?v=1794183335"},{"product_id":"bmw-b58tu2-gen-3-5in-race-downpipe","title":"BMW B58TU2 Gen 3 5in Race Downpipe - M340i, M440i, 540i, X5","description":"\u003cp\u003eThe Palenon Performance 5in downpipe is engineered for the Gen 3 B58TU2 engine, built entirely from stainless steel with a stainless flex joint and inner stainless liner, TIG welded and back-purged.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eA consistently larger diameter right after the turbo means faster spool and a deeper, more aggressive exhaust note. Palenon quotes 35+ hp with a proper tune.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2025+ BMW M340i \/ M340i xDrive (G20 LCI \/ G21 LCI)\u003c\/li\u003e\n\u003cli\u003e2025+ BMW M440i \/ M440i xDrive (G22 \/ G23 \/ G26 LCI)\u003c\/li\u003e\n\u003cli\u003e2024+ BMW 540i xDrive \/ 550e xDrive (G60 \/ G61)\u003c\/li\u003e\n\u003cli\u003e2023+ BMW 735i, 740i, 740i xDrive, 750e xDrive, M760e xDrive (G70)\u003c\/li\u003e\n\u003cli\u003e2025+ BMW X3 M50 (G45)\u003c\/li\u003e\n\u003cli\u003e2023+ BMW X5 LCI 40i \/ 50e (G05), X6 LCI 40i (G06), X7 LCI 40i (G07)\u003c\/li\u003e\n\u003cli\u003e2023+ BMW XM 50e (G09)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or high-flow catted, OPF or non-OPF\u003c\/li\u003e\n\u003cli\u003e5in inner \/ 6in outer diameter with smooth transitions\u003c\/li\u003e\n\u003cli\u003eStainless flex joint and inner liner\u003c\/li\u003e\n\u003cli\u003eFits RHD and LHD with no modifications\u003c\/li\u003e\n\u003cli\u003eWorks with OEM and aftermarket exhausts\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. Pick the OPF or non-OPF version to match your car: vehicles with option code S1D0 or S1D1 have a particulate filter (OPF\/GPF) in the downpipe. The catless version will set a check engine light; the CEL delete kit may not clear it. The catted version is not certified emissions legal. A supporting tune is recommended. Gen 1 and Gen 2 B58 cars need a different downpipe.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless non opf \/ Don't Add","offer_id":46665989226581,"sku":"DP-B58-Gen3-CTS-NOPF","price":409.99,"currency_code":"USD","in_stock":true},{"title":"Catless non opf \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665989259349,"sku":"DP-B58-Gen3-CTS-NOPF-CEL","price":429.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted non opf \/ Don't Add","offer_id":46665989292117,"sku":"DP-B58-Gen3-CTD-NOPF","price":539.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted non opf \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665989324885,"sku":"DP-B58-Gen3-CTD-NOPF-CEL","price":559.99,"currency_code":"USD","in_stock":true},{"title":"Catless opf \/ Don't Add","offer_id":46665989357653,"sku":"DP-B58-Gen3-CTS-OPF","price":409.99,"currency_code":"USD","in_stock":true},{"title":"Catless opf \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665989390421,"sku":"DP-B58-Gen3-CTS-OPF-CEL","price":429.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted opf \/ Don't Add","offer_id":46665989423189,"sku":"DP-B58-Gen3-CTD-OPF","price":539.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted opf \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665989455957,"sku":"DP-B58-Gen3-CTD-OPF-CEL","price":559.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/palenon-performance-b58tu2-racing-downpipe_e341b07c-30aa-4d7d-9af7-8513b9b91d8b.jpg?v=1794183336"},{"product_id":"bmw-b58-gen-1-gen-2-4-5in-race-downpipe-v1","title":"BMW B58 Gen 1 \/ Gen 2 4.5in Race Downpipe V1 - M340i, M240i, 540i","description":"\u003cp\u003eThe Palenon Performance Version I 4.5in B58 downpipe replaces the restrictive OEM catalytic converter on 2016+ B58 BMWs to improve turbo efficiency, spool and sound.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eSmooth radius bends and 4.5in 304 stainless construction give faster spool times, more power and a bold exhaust sound, and it works with factory and aftermarket exhausts.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2016+ F20 M140i; 2016-2024 F22 \/ F23 M240i; 2021+ G42 M240i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F30 \/ F31 340i; 2020-2024 G20 \/ G21 M340i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F32 \/ F33 \/ F36 440i; 2020-2024 G22 \/ G23 \/ G26 M440i\u003c\/li\u003e\n\u003cli\u003e2016+ G30 540i; 2016-2023 G32 640i GT; 2016-2022 G11 \/ G12 740i\u003c\/li\u003e\n\u003cli\u003e2019+ G14 \/ G15 \/ G16 840i\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 X3 M40i and G02 X4 M40i; G05 X5 40i; G06 X6 40i; G07 X7 40i\u003c\/li\u003e\n\u003cli\u003e2019-2024 G29 Z4 M40i\u003c\/li\u003e\n\u003cli\u003eAlso fits the Toyota GR Supra A90 \/ A91 3.0T\u003c\/li\u003e\n\u003cli\u003exDrive versions included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or high-flow catted\u003c\/li\u003e\n\u003cli\u003e4.5in 304-grade stainless steel, smooth radius bends\u003c\/li\u003e\n\u003cli\u003eFits RHD and LHD with no modifications\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. The catless version will set a check engine light; the CEL delete kit may not clear it on 2019+ vehicles. The high-flow catted version is not certified emissions legal. A supporting tune is recommended.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ No","offer_id":46665990275157,"sku":"DP-B58-Gen1T2-V1CTS","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665990307925,"sku":"DP-B58-Gen1T2-V1CTS-CEL","price":349.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ No","offer_id":46665990340693,"sku":"DP-B58-Gen1T2-V1CTD","price":459.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665990373461,"sku":"DP-B58-Gen1T2-V1CTD-CEL","price":489.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/palenon-performance-b58-stainless-steel-downpipe_d63d93b0-5940-4a20-a3c7-8d19dbe489ce.jpg?v=1794183341"}],"url":"https:\/\/www.wrenchhaususa.com\/collections\/bmw-b58-downpipes.oembed","provider":"Wrench Haus","version":"1.0","type":"link"}