{"title":"Audi Downpipes","description":"\u003cp\u003eDownpipes for Audi. Fitments include the B8 and B9 S4 and S5 3.0T, the RS3 and TT RS 2.5T, RS4 and RS5 2.9T, C7 RS6 and C8 RS6\/RS7 4.0T, RS Q8 and SQ8, SQ5 B9, Q8 3.0T, the A4\/A5 2.0T (B8, B9 and B9.5) and the A4 B9 2.0 TDI. Some 4.0T listings also fit the Lamborghini Urus and Porsche Cayenne.\u003c\/p\u003e\u003cp\u003eVersions run from OEM-style catted to high-flow catted, 200 and 400-cell and catless race pipes. Brands are STRATEC Systems, IRL, Spool Performance and Palenon Performance. 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\/audi-performance-parts\"\u003eAudi performance parts\u003c\/a\u003e or all \u003ca href=\"\/collections\/exhaust-downpipes\"\u003eexhaust and downpipes\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"audi-a4-b9-2-0-tdi-maxflow-race-downpipe","title":"Audi A4 B9 2.0 TDI MaxFlow Race Downpipe | IRL","description":"\u003cp\u003eThe IRL MaxFlow Race Downpipe for the Audi A4 B9 2.0 TDI is built with precision fitment for enhanced performance and sound.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe downpipe is the first restriction after the turbo. A freer-flowing pipe helps your TDI make better use of its power.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi A4 B9 2.0 TDI\u003c\/li\u003e\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 and ECU tuning is recommended. Professional installation is recommended.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"Default Title","offer_id":46545183014997,"sku":"IRL A4-B9 2.0TDI","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/9D2499E8-F6AA-42F8-A0B0-552683E63DDF.jpg?v=1793113758"},{"product_id":"lamborghini-urus-audi-rsq8-maxflow-race-downpipes","title":"Lamborghini Urus Audi RSQ8 4.0T MaxFlow Race Downpipes | IRL","description":"\u003cp\u003eIRL MaxFlow Race Downpipes for the Lamborghini Urus and Audi RSQ8 4.0T twin-turbo V8 are made from 304 stainless steel for excellent reliability and fitment.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eDownpipes are the most effective bolt-on for this engine, increasing exhaust flow and improving spool time and sound.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLamborghini Urus (2019-2021)\u003c\/li\u003e\n\u003cli\u003eAudi RSQ8 (2020-2021)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust flow\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eImproved sound\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 and ECU tuning is recommended. Professional installation is recommended.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"Default Title","offer_id":46545184718933,"sku":"MS-0006-IRL-IRL L-CAT","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/FullSizeRender_002c2a07-8797-449e-9a0a-0216a73654c8.jpg?v=1793113841"},{"product_id":"audi-c8-rs6-rs7-maxflow-downpipes","title":"Audi C8 RS6 RS7 4.0T MaxFlow Downpipes, Race 200 or 400 Cell","description":"\u003cp\u003eIRL MaxFlow Downpipes for the Audi C8 RS6 and RS7 replace the stock catalytic converters for more performance and sharper throttle response.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eEliminating back pressure lets the turbos spool faster and make maximum power. IRL lists up to 30 hp on the stock turbos, and they suit both stock and aftermarket turbo setups.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi C8 RS6\u003c\/li\u003e\n\u003cli\u003eAudi C8 RS7\u003c\/li\u003e\n\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\u003eUp to 30 hp on the stock turbos\u003c\/li\u003e\n\u003cli\u003eElectroplated for improved durability\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":46545186455637,"sku":"MS-7642-IRL-IRL L-CAT","price":699.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 200CEL Downpipes","offer_id":46545186488405,"sku":"MS-4502-IRL-IRL L-200","price":899.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 400CEL Downpipes","offer_id":46545186521173,"sku":"MS-7641-IRL-IRL L-CAT","price":2149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/6CA0707D-F55C-4193-8EC6-8AAC9A99BD96.png?v=1793113855"},{"product_id":"audi-b9-maxflow-race-downpipe","title":"Audi B9 MaxFlow Race Downpipe, Race 200 or 400 Cell | IRL","description":"\u003cp\u003eThe IRL MaxFlow Race Downpipe for the Audi B9 maximizes exhaust flow and reduces backpressure so the turbo spools faster, with sharper throttle response and an aggressive turbo sound.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIt delivers substantial horsepower and torque gains and has the flow capacity for both stock and upgraded turbo setups.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi B9 platform\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 Catted\u003c\/li\u003e\n\u003cli\u003eMaxFlow 400 Cell Catted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePremium 304 stainless steel, TIG-welded, mandrel-bent\u003c\/li\u003e\n\u003cli\u003eReduced backpressure for better turbo efficiency\u003c\/li\u003e\n\u003cli\u003eFaster spool and sharper throttle response\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on with OEM-style fitment\u003c\/li\u003e\n\u003cli\u003eEngineered for stock and upgraded turbos\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and closed-course competition use only, not for registered road use. Professional installation is recommended.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"MaxFlow Race","offer_id":46545188061269,"sku":"IRL-B9-CDP","price":449.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 200 CEL Catted","offer_id":46545188094037,"sku":"IRL-B9-200DP","price":499.99,"currency_code":"USD","in_stock":true},{"title":"MaxFlow 400 CEL Catted","offer_id":46545188126805,"sku":"IRL B9-400CDP","price":1199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/28BC64CB-64F0-4D6B-8FE2-2F81678317F6.jpg?v=1793113853"},{"product_id":"audi-8v-rs3-ttrs-2-5t-maxflow-downpipe","title":"Audi 8V RS3 and TTRS 2.5T MaxFlow Downpipe | IRL","description":"\u003cp\u003eThe IRL MaxFlow Downpipe for the Audi 8V RS3 and TTRS 2.5T eliminates the back pressure caused by the stock catalytic converters so your turbo spools faster and makes maximum power.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe five-cylinder loves to breathe. A flex section reduces stress and unwanted vibration, and smooth bends maximize airflow without drone.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi 8V RS3 (2.5T)\u003c\/li\u003e\n\u003cli\u003eAudi TTRS (2.5T)\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\u003eHorsepower increase on the stock turbo\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":46545188290645,"sku":"MS-4006-IRL-IRL L","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/IMG-7942.png?v=1793113856"},{"product_id":"audi-b8-a4-a5-2-0t-3-inch-test-pipe","title":"Audi B8 A4 A5 Allroad 2.0T 3 Inch Catless Test Pipe","description":"\u003cp\u003eThis 3 inch test pipe is an easy bolt-on alternative to a full downpipe upgrade for the Audi B8 2.0T. It replaces the most restrictive section of the OEM exhaust, the catted section bolted directly to the turbo.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eMore airflow and less back pressure can deliver up to 24 whp and 30 wtq on tuned cars, most noticeable low in the rev range. Expect sharper throttle response, faster spool, quicker acceleration and a deeper, more aggressive exhaust note even with the rest of the system stock.\u003c\/p\u003e\u003ch2\u003eFits (2.0T)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi B8 A4 (FWD and Quattro)\u003c\/li\u003e\n\u003cli\u003eAudi B8 A5 Quattro\u003c\/li\u003e\n\u003cli\u003eAudi B8 Allroad Quattro\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 inch catless test pipe\u003c\/li\u003e\n\u003cli\u003eHardware and gasket kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 inch stainless steel construction\u003c\/li\u003e\n\u003cli\u003eTwo O2 bungs, with two bolts included to block them off\u003c\/li\u003e\n\u003cli\u003eSupports more advanced boost settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eCatless design: without an ECU tune or O2 sensor fix, expect a check engine light. Intended for off-road and competition use only, not for registered road use.\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"Default Title","offer_id":46545195139157,"sku":"MS-6661-ARM-ARM M","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/image_d473f85f-47f8-4272-a212-302147a0ce05.jpg?v=1793114055"},{"product_id":"lamborghini-urus-audi-rsq8-porsche-cayenne-spool-d","title":"Lamborghini Urus, Audi RSQ8 \u0026 Porsche Cayenne Spool Downpipes","description":"\u003cp\u003eSpool downpipes for the EA825 4.0L twin-turbo V8 in the Lamborghini Urus, Audi RSQ8 and Porsche Cayenne Turbo improve exhaust flow and turbo response, in a catless race or 200-cell catted version.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe factory downpipes hold back exhaust flow. These bolt-on replacements reduce backpressure for faster spool and sharper throttle response, add horsepower and torque with proper tuning and give the V8 a more aggressive sound.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLamborghini Urus 4.0L twin-turbo V8 (2018+)\u003c\/li\u003e\n\u003cli\u003eLamborghini Urus S and Urus Performante (2023+)\u003c\/li\u003e\n\u003cli\u003eAudi RSQ8 4.0L twin-turbo V8 (2020+)\u003c\/li\u003e\n\u003cli\u003ePorsche Cayenne Turbo 4.0L twin-turbo V8 (2019+)\u003c\/li\u003e\n\u003cli\u003ePorsche Cayenne Turbo GT (2022+)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation\u003c\/li\u003e\n\u003cli\u003eCatless race or 200-cell high-flow catted options\u003c\/li\u003e\n\u003cli\u003eHeat insulation on the catted version\u003c\/li\u003e\n\u003cli\u003eReduced backpressure and faster turbo spool\u003c\/li\u003e\n\u003cli\u003eMore horsepower and torque with proper tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003ePick the version at checkout. The race version is catless and uninsulated for maximum flow and lower weight. The 200-cell catted version keeps a high-flow cat and adds heat insulation to manage underhood temperatures, for a balance of performance and drivability. Proper tuning is needed to see the power gains. Intended for off-road and competition use only. Not legal for use on public roads in many areas. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Catted","offer_id":46564454301781,"sku":"sku-55003740668226","price":1699.99,"currency_code":"USD","in_stock":true},{"title":"Race","offer_id":46564454334549,"sku":"sku-55003740700994","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/20375277-50fd-41ad-ada4-f9581849075e.png?v=1793250690"},{"product_id":"audi-b9-s4-s5-spool-race-downpipes","title":"SPOOL RACE Downpipes | Audi B9 S4 S5","description":"\u003ch2\u003eSPOOL Race Downpipes | Audi B9\/B9.5 S4 \u0026amp; S5\u003c\/h2\u003e\n\u003cp\u003eUnlock the performance of your Audi B9 S4 or S5 with the \u003cstrong\u003eSPOOL Race Downpipes\u003c\/strong\u003e. Designed as a direct bolt-on replacement for the restrictive factory downpipes, they improve exhaust flow, reduce backpressure, and deliver quicker turbo spool, sharper throttle response, and a deeper, more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eManufactured from premium \u003cstrong\u003eT304 stainless steel\u003c\/strong\u003e with precision TIG welds and smooth mandrel bends, the SPOOL Race Downpipes are built to handle high-boost applications while providing an OEM-like fit and long-lasting durability—all without the premium price tag.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDirect bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePremium T304 stainless steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced exhaust backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFaster turbo spool and improved throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased horsepower and torque (with proper tuning)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAggressive exhaust note\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision TIG welded\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBacked by the SPOOL Lifetime Warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAudi S4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eB9 3.0T (2017–2019)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eB9.5 3.0T (2020–2024)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAudi S5\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eB9 3.0T (2018–2019)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eB9.5 3.0T (2020–2024)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e3.0L Turbocharged V6 (EA839)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor off-road\/competition use only.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564457021525,"sku":"B9-RDP","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/4854ECBB-D514-4A72-908F-69FA6FC48ABA.png?v=1793250692"},{"product_id":"audi-c8-rs6-rs7-d5-s8-spool-race-downpipes","title":"Audi C8 RS6, RS7 \u0026 D5 S8 Spool Race Downpipes","description":"\u003cp\u003eThe Spool race downpipes for the Audi C8 RS6, RS7 and D5 S8 free up the 4.0T V8 and bring out a deeper, more aggressive exhaust note.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe factory downpipes hold the twin-turbo V8 back. Swapping them adds power and torque you can feel, sharpens throttle response and gives the car a much more vocal sound, all with a bolt-on install.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi C8 RS6\u003c\/li\u003e\n\u003cli\u003eAudi C8 RS7\u003c\/li\u003e\n\u003cli\u003eAudi D5 S8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBolt-on installation\u003c\/li\u003e\n\u003cli\u003eMore power and torque\u003c\/li\u003e\n\u003cli\u003eSharper throttle response\u003c\/li\u003e\n\u003cli\u003eDeeper, louder V8 exhaust note\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eA tune is recommended to get the most from the added flow. Intended for off-road and competition use only. Not legal for use on public roads in many areas. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564458496085,"sku":"SP-AU-EA825-DP","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/rs6_downpipes2.png?v=1793250695"},{"product_id":"audi-b9-s4-s5-3-0t-race-downpipe","title":"Audi B9 \/ B9.5 S4 \u0026 S5 3.0T High Flow Race Downpipe","description":"\u003cp\u003eThe Palenon Performance racing downpipe for the Audi S4 and S5 3.0T reduces backpressure for faster turbo spool, more horsepower and torque potential, and a more aggressive exhaust note with pops and bangs.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eA high-flow design with a fat section maximizes exhaust efficiency right after the turbo, making it a strong base for performance and track-focused builds.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi S4 B9 3.0T (2017-2019) and B9.5 3.0T (2020-2024)\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9 3.0T (2018-2019) and B9.5 3.0T (2020-2024)\u003c\/li\u003e\n\u003cli\u003e3.0L turbocharged V6 (EA839)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or catted\u003c\/li\u003e\n\u003cli\u003eMandrel-bent T304 stainless steel, precision TIG welded\u003c\/li\u003e\n\u003cli\u003eCNC-machined flanges for a leak-free seal\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on at factory mounting points\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit, or CEL delete kit with hardware (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 x racing downpipe\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\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. Catless downpipes will set a check engine light; the CEL delete kit may not clear it on 2019+ vehicles. A supporting tune is recommended. Professional installation is recommended.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ No","offer_id":46665984802901,"sku":"DP-AD-B9-CTS","price":519.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Single Cel Delete Kit","offer_id":46665984835669,"sku":"DP-AD-B9-CTS-CEL","price":549.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Cel Delete Kit \u0026 Hardware","offer_id":46665984868437,"sku":"DP-AD-B9-CTS-CEL-HRD","price":579.99,"currency_code":"USD","in_stock":true},{"title":"Catted \/ No","offer_id":46665984901205,"sku":"DP-AD-B9-CTD","price":699.99,"currency_code":"USD","in_stock":true},{"title":"Catted \/ Single Cel Delete Kit","offer_id":46665984933973,"sku":"DP-AD-B9-CTD-CEL","price":729.99,"currency_code":"USD","in_stock":true},{"title":"Catted \/ Cel Delete Kit \u0026 Hardware","offer_id":46665984966741,"sku":"DP-AD-B9-CTD-CEL-HRD","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/palenon-performance-audi-racing-downpipe_65ab4ae3-08fd-4b4c-9fa5-cbf531c41216.jpg?v=1794183256"},{"product_id":"audi-rs3-8v-8y-ttrs-2-5t-race-downpipe","title":"Audi RS3 8V \/ 8Y \u0026 TT RS 8S 2.5T Race Downpipe","description":"\u003cp\u003eThe Palenon Performance race downpipe for the Audi 2.5T EVO removes the restrictive factory catalytic converters on the RS3 and TT RS for maximum exhaust flow, an aggressive sound and a precise fit.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eDeveloped with 3D scanning and CAD simulation, the large 4.0in outlet splits evenly into dual 2.5in outlets for smoother flow and better turbo efficiency. Palenon quotes 50+ hp and 70+ tq when properly tuned.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2018+ Audi RS3 8V 2.5T EVO (EA855)\u003c\/li\u003e\n\u003cli\u003e2021+ Audi RS3 8Y 2.5T EVO (EA855)\u003c\/li\u003e\n\u003cli\u003e2018+ Audi TT RS 8S 2.5T EVO (EA855)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or catted\u003c\/li\u003e\n\u003cli\u003e304 stainless steel\u003c\/li\u003e\n\u003cli\u003ePrecision laser-cut flanges and machined V-band\u003c\/li\u003e\n\u003cli\u003eRetains OEM O2 sensor positioning\u003c\/li\u003e\n\u003cli\u003eWorks with factory and aftermarket mid-pipes\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. A supporting tune is recommended. Professional installation is recommended.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ No","offer_id":46665988800597,"sku":"DP-ADRS3-CTS","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988833365,"sku":"DP-ADRS3-CTS-CEL","price":559.99,"currency_code":"USD","in_stock":true},{"title":"Catted \/ No","offer_id":46665988866133,"sku":"DP-ADRS3-CTD","price":749.99,"currency_code":"USD","in_stock":true},{"title":"Catted \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988898901,"sku":"DP-ADRS3-CTD-CEL","price":779.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/palenon-performance-audi-2-5t-race-downpipe.jpg?v=1794183335"},{"product_id":"audi-b9-a4-a5-q5-oem-style-catted-downpipe","title":"Audi B9 A4 \/ A5 \/ Q5 2.0T OEM-Style Catted Stainless Downpipe","description":"\u003cp\u003eThe STRATEC OEM-style catted downpipe is a stainless replacement or mild upgrade for the B9 Audi A4, A5 and Q5 2.0T, built to match factory fit and function.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIf your factory downpipe needs replacing and you want to keep stock-like manners, this unit bolts in using OEM mounting points and keeps a factory-like tone.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi A4 \/ A5 \/ Q5 B9 2.0T\u003c\/li\u003e\n\u003cli\u003eDescription lists 2017-2021; title lists B9.5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOEM-style catted downpipe\u003c\/li\u003e\n\u003cli\u003eIntegrated catalytic converter\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on with OEM mounting points\u003c\/li\u003e\n\u003cli\u003eCompatible with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eProfessional installation is recommended. Confirm fitment with your VIN before ordering.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666019373141,"sku":"721814382679","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/oem_a57e42a5-48f2-4ebe-ba81-532cc1140330.jpg?v=1794184524"},{"product_id":"audi-b9-5-a4-a5-q5-catless-downpipe","title":"Audi B9.5 A4 \/ A5 \/ Q5 2.0T Catless High-Flow Downpipe","description":"\u003cp\u003eThe STRATEC stainless single downpipe for the B9.5 A4, A5 and Q5 2.0T cuts restriction for sharper response and a sportier tone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eA catless high-flow path behind the turbo improves engine efficiency, and the integrated heat shield protects nearby components.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi A4 \/ A5 \/ Q5 B9.5 2.0T\u003c\/li\u003e\n\u003cli\u003e2021-2024\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSingle catless downpipe\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eIntegrated heat shield\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on\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 maker notes ECU tuning may be required for optimal performance. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666020192341,"sku":"721814382662","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/A5SINGLE_6c504d72-7998-4b49-b0c7-6fbc9def5ad1.jpg?v=1794184638"},{"product_id":"audi-q8-3-0t-catted-downpipe","title":"Audi Q8 3.0T High-Flow Catted 304 Stainless Downpipe","description":"\u003cp\u003eThe STRATEC high-flow downpipe replaces the restrictive factory unit on the Audi Q8 3.0T for faster spool and a sportier tone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eLower backpressure lets the turbo spool quicker for sharper acceleration and stronger mid-range, and it bolts on with OEM-style fitment.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi Q8 3.0T\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catted design\u003c\/li\u003e\n\u003cli\u003e304 stainless steel\u003c\/li\u003e\n\u003cli\u003eOEM-style direct bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe maker recommends ECU tuning for optimal performance. Professional installation is recommended. Confirm fitment with your VIN before ordering.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666031038549,"sku":"721814382785","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/Q8DOWN3_4abfca68-7d82-4982-a7d6-9835a2bfc2d1.jpg?v=1794184859"},{"product_id":"audi-rs3-ttrs-racing-high-flow-downpipe","title":"Audi RS3 \/ TT RS 2.5T Racing High-Flow Stainless Downpipe","description":"\u003cp\u003eThe STRATEC racing high-flow downpipe for the 2.5T five-cylinder RS3 and TT RS helps the turbo spool quicker and pull harder.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eLower restriction improves airflow for stronger power through the rev range and a louder, deeper tone. An integrated heat shield protects nearby components.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi RS3 2.5T\u003c\/li\u003e\n\u003cli\u003eAudi TT RS 2.5T\u003c\/li\u003e\n\u003cli\u003eChoose catted or catless\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow racing design\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eIntegrated heat shield\u003c\/li\u003e\n\u003cli\u003eCatted and catless versions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eCatless version: Intended for off-road and competition use only. Not legal for use on public roads in many areas. The maker notes ECU tuning may be required for optimal performance. Professional installation is recommended. Confirm fitment with your VIN before ordering.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Catted","offer_id":46666031366229,"sku":"721814382495","price":1149.99,"currency_code":"USD","in_stock":true},{"title":"Catless","offer_id":46666031398997,"sku":"721814382501","price":1049.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/downpipe2_016b0cba-7034-4585-aa09-9e309b93dff9.jpg?v=1794184859"},{"product_id":"audi-sq8-rsq8-catted-downpipes","title":"Audi SQ8 \/ RS Q8 4.0T High-Flow Catted Downpipes with Heat Shield","description":"\u003cp\u003eSTRATEC high-flow catted stainless downpipes for the SQ8 and RS Q8 4.0T twin-turbo V8, built to improve flow while keeping catalytic converters.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eReplacing the restrictive factory downpipes improves turbo efficiency and throttle response with a deeper but still refined tone. Integrated heat shields protect the engine bay.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi SQ8 4.0T (2022-2023)\u003c\/li\u003e\n\u003cli\u003eAudi RS Q8 4.0T (2022-2023)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catalytic converters\u003c\/li\u003e\n\u003cli\u003e304 stainless steel\u003c\/li\u003e\n\u003cli\u003eIntegrated heat shields\u003c\/li\u003e\n\u003cli\u003eOEM-style direct bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eA supporting tune is recommended. Confirm fitment with your VIN before ordering.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666031693909,"sku":"721814382792","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/SQ81.jpg?v=1794184860"},{"product_id":"audi-sq5-b9-3-0t-stainless-downpipe","title":"Audi SQ5 B9 3.0T 304 Stainless Downpipe, 200-Cell or Catless","description":"\u003cp\u003eThe STRATEC high-flow 304 stainless downpipe for the SQ5 B9 3.0T, offered as a 200-cell catted street version or a catless race version.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eReplacing the restrictive factory downpipe cuts turbo lag and backpressure for stronger mid-range and a deeper, sportier tone.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi SQ5 B9 3.0T\u003c\/li\u003e\n\u003cli\u003eChoose 200 Cell Catted or Catless\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e304 stainless steel\u003c\/li\u003e\n\u003cli\u003e200-cell high-flow catted option\u003c\/li\u003e\n\u003cli\u003eCatless race option\u003c\/li\u003e\n\u003cli\u003eOEM-style fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eCatless version: Intended 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":"STRATEC SYSTEMS","offers":[{"title":"200 Cell Catted","offer_id":46666032218197,"sku":"721814382730","price":959.99,"currency_code":"USD","in_stock":true},{"title":"Catless","offer_id":46666032250965,"sku":"721814382747","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/DOWN2.jpg?v=1794184865"},{"product_id":"audi-rs6-c7-4-0t-catted-downpipes","title":"Audi RS6 C7 4.0T Catted High Flow Stainless Downpipes","description":"\u003cp\u003eSTRATEC high-flow catted stainless steel downpipes replace the restrictive factory downpipes on the Audi RS6 C7 4.0T twin-turbo V8 while keeping catalytic converters in place.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eLess backpressure lets the turbos spool faster, sharpening throttle response and mid-range pull, with a deeper, sportier exhaust note that avoids excessive harshness.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS6 C7 4.0T twin-turbo V8 (2013-2018)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catted downpipe design\u003c\/li\u003e\n\u003cli\u003ePerformance catalytic converters\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for heat and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eReduces exhaust backpressure and turbo lag\u003c\/li\u003e\n\u003cli\u003eDeeper, sportier exhaust note\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eA supporting tune is recommended. No CARB EO number is listed for this part, so check your local emissions rules before installing. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666036117589,"sku":"721814382716","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/DWON2_ee927b41-92a8-491c-9511-7a245910f014.jpg?v=1794185045"},{"product_id":"audi-rs6-c7-4-0t-catless-downpipes","title":"Audi RS6 C7 4.0T Catless High Flow 304 Stainless Downpipes","description":"\u003cp\u003eSTRATEC high-flow catless downpipes replace the restrictive factory downpipes on the Audi RS6 C7 4.0T twin-turbo V8.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe free-flow design cuts backpressure so the turbos spool faster, giving sharper throttle response, stronger mid-range power and a more aggressive exhaust sound under load.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS6 C7 4.0T twin-turbo V8 (2013-2018)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCatless free-flow downpipe design\u003c\/li\u003e\n\u003cli\u003e304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eReduces backpressure and turbo lag\u003c\/li\u003e\n\u003cli\u003eOEM-style fitment\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. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666036478037,"sku":"721814382723","price":959.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/catlessc7_aaf5f2f6-b7f0-4e16-8f8b-ec46389ef86d.jpg?v=1794185045"},{"product_id":"audi-s4-s5-b9-3-0t-catted-downpipe","title":"Audi S4 \/ S5 B9 3.0T Catted Stainless Downpipe","description":"\u003cp\u003eThe STRATEC catted stainless exhaust downpipe for the Audi S4 and S5 B9 3.0T reduces backpressure while keeping a high-flow catalytic converter.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIt improves exhaust flow and turbo response with a deeper, more aggressive tone than the factory unit, a balanced upgrade without excessive harshness.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi S4 B9 3.0T\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9 3.0T\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catted downpipe\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eReduces backpressure\u003c\/li\u003e\n\u003cli\u003eDeeper, sportier exhaust tone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eECU tuning may be required for optimal performance. No CARB EO number is listed for this part, so check your local emissions rules before installing. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666036248661,"sku":"721814382457","price":1149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/S5-DOWN.jpg?v=1794185045"},{"product_id":"audi-s4-s5-b9-free-flow-downpipe","title":"Audi S4 \/ S5 B9 3.0T Free Flow Downpipe with Heat Shield","description":"\u003cp\u003eThe STRATEC free-flow performance downpipe with heat shield for the Audi S4 and S5 B9 improves exhaust flow and reduces backpressure.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIt sharpens turbo spool and throttle response, especially at higher RPM, with a deeper, more aggressive tone. The heat shield helps manage engine bay temperatures.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi S4 B9\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFree-flow downpipe design\u003c\/li\u003e\n\u003cli\u003eIntegrated heat shield\u003c\/li\u003e\n\u003cli\u003eBuilt for high-heat use\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered fitment\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. ECU tuning may be required for optimal performance. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666037067861,"sku":"720595378635","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/S4DOWNPIPEEE_fa77534d-6580-49bf-929b-0253e472524a.jpg?v=1794185050"},{"product_id":"audi-s4-s5-b8-free-flow-downpipe","title":"Audi S4 \/ S5 B8 3.0T Free Flow 304 Stainless Downpipe","description":"\u003cp\u003eThe STRATEC free-flow exhaust downpipe for the Audi S4 and S5 B8 3.0T reduces exhaust restriction compared to the factory setup.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIt sharpens throttle response and power delivery with a more aggressive exhaust tone, and 304 stainless steel holds up to heat and corrosion.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi S4 B8 3.0T\u003c\/li\u003e\n\u003cli\u003eAudi S5 B8 3.0T\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFree-flow downpipe design\u003c\/li\u003e\n\u003cli\u003e304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on\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. ECU tuning may be required for optimal performance. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666038116437,"sku":"721814382464","price":1149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/exhaustdown.jpg?v=1794185052"},{"product_id":"audi-rs4-rs5-2-9t-catless-downpipe","title":"Audi RS4 \/ RS5 2.9T Catless High Flow Straight Downpipe","description":"\u003cp\u003eThe STRATEC straight header downpipe for the Audi RS4 and RS5 2.9T is a free-flow catless design that removes exhaust restriction.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe straight-through layout prioritizes airflow for faster turbo spool, stronger throttle response and a much more aggressive exhaust tone, built for track-focused builds.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi RS4 2.9T (2019-2024)\u003c\/li\u003e\n\u003cli\u003eAudi RS5 2.9T (2019-2024)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStraight catless header downpipe\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eLarge reduction in backpressure\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. ECU tuning is required for proper operation and performance. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666038378581,"sku":"721814382624","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/CATLESS_89e10cc0-2691-4bcf-8171-1cab3a7c75a4.jpg?v=1794185053"},{"product_id":"audi-a5-8w-2-0t-catless-downpipe","title":"Audi A5 8W 2.0T Catless High Flow 304 Stainless Downpipe","description":"\u003cp\u003eThe STRATEC free-flow exhaust downpipe for the Audi A5 2.0T (8W) reduces exhaust restriction with a header-style design.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eBetter airflow improves throttle response and engine efficiency and gives a more aggressive, sport-oriented exhaust tone than the factory setup.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi A5 2.0T 8W (2021-2023)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFree-flow catless design\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered fitment\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. ECU tuning may be required for optimal performance. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666038706261,"sku":"721814382655","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/A5DOWN_130e581d-2110-476b-b894-24c1b66ec53d.jpg?v=1794185056"},{"product_id":"audi-rs6-rs7-c8-catless-downpipes","title":"Audi RS6 \/ RS7 C8 4.0TT Catless High Flow Downpipes","description":"\u003cp\u003eSTRATEC catless free-flow performance downpipes with heat shields for the Audi RS6 Avant and RS7 Sportback C8 4.0T twin-turbo V8.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe straight-through design replaces the restrictive factory cats for faster turbo spool, stronger mid-range and a louder, sharper tone under load. Heat shields protect nearby components.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi RS6 Avant C8 4.0T (2019-2024)\u003c\/li\u003e\n\u003cli\u003eAudi RS7 Sportback C8 4.0T (2019-2024)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCatless free-flow design\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eIntegrated heat shields\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered fitment\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. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666038739029,"sku":"721814382709","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/CATTED_48eb4c6e-5e5b-402c-a908-4476f96b993b.jpg?v=1794185055"},{"product_id":"audi-rs5-2-9t-catted-downpipe","title":"Audi RS5 2.9T Catted High Flow 304 Stainless Downpipe","description":"\u003cp\u003eThe STRATEC high-flow catted downpipe for the Audi RS5 2.9T reduces backpressure while keeping a high-flow catalytic converter.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eFaster turbo response and a deeper, more aggressive tone make it a balanced upgrade for performance street builds, without excessive harshness.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS5 2.9T (2019-2022)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catted design\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eReduces backpressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eECU tuning may be required for optimal performance. No CARB EO number is listed for this part, so check your local emissions rules before installing. Professional installation is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666038804565,"sku":"721814382617","price":1149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/CATTED_5e68b9cd-a8d2-4ddf-a6f1-ee1d4e838871.jpg?v=1794185057"}],"url":"https:\/\/www.wrenchhaususa.com\/collections\/audi-downpipes.oembed","provider":"Wrench Haus","version":"1.0","type":"link"}