{"title":"4.0T V8 Parts — Audi RS6, RS7, RS Q8, Urus","description":"\u003cp\u003eParts for the 4.0L twin-turbo V8 shared by the Audi C7 and C8 RS6, C8 RS7, RS Q8 and S8, the Lamborghini Urus and the Porsche Cayenne Turbo and Panamera Turbo. Downpipes come from STRATEC Systems, IRL and Spool Performance in catless, catted, 200-cell and 400-cell versions.\u003c\/p\u003e\u003cp\u003eFuel parts are from Spool: FX-350 high pressure pump kits, an EA825 low pressure fuel system, upgraded DI injectors and ethanol analyzer kits. Check the model and generation in each title. 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, \u003ca href=\"\/collections\/lamborghini-urus\"\u003eLamborghini Urus\u003c\/a\u003e or \u003ca href=\"\/collections\/fuel-system\"\u003efuel system upgrades\u003c\/a\u003e.\u003c\/p\u003e","products":[{"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":"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-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-c8-rs6-avant-ea825-spool-e85-ethanol-analyzer","title":"Audi C8 RS6 Avant EA825 Spool E85 Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool ethanol analyzer kit for the Audi C8 RS6 Avant gives fast, accurate readings of the ethanol content in your tank, whether it is pump gas, a mix or full E85.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eA flex-fuel tune is only as safe as its ethanol reading. This kit is made specifically for the C8 RS6, uses ethanol-safe components, and installs with plug-and-play style harnesses and tidy routing. It works with flex-fuel tunes and digital displays.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS6 Avant (C8, EA825 4.0T V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific fit for the C8 RS6 Avant\u003c\/li\u003e\n\u003cli\u003eLive ethanol content readings\u003c\/li\u003e\n\u003cli\u003eEthanol-safe components\u003c\/li\u003e\n\u003cli\u003ePlug-and-play style harnesses\u003c\/li\u003e\n\u003cli\u003eWorks with flex-fuel tunes and digital displays\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eAn ethanol analyzer is a must for anyone running E85 or switching to a flex-fuel tune. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564601659477,"sku":"SP-EA825-ETHANOL-KIT","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/647639BD-79E4-466F-8645-5C32608D5F3A_98e71340-6fa3-4805-8d3b-7007a0c96569.png?v=1793251075"},{"product_id":"audi-c8-rs6-avant-spool-fx-350-high-pressure-fuel","title":"Audi C8 RS6 Avant Spool FX-350 High Pressure Fuel Pump Kit","description":"\u003cp\u003eThe Spool FX-350 high pressure fuel pump kit for the Audi C8 RS6 Avant raises the fueling ceiling of the EA825 so you can run bigger turbos and higher ethanol blends.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe stock high pressure pumps on the RS6 become a bottleneck once you tune for more power. The FX-350 uses a bigger bore for about 90% more flow than stock and runs up to 35 MPa (350 bar) versus 25 MPa on the FX-200, which lets the injectors flow up to 40% more fuel with shorter injection times and better atomization. It is fully E85 compatible and plug and play, with no cutting or splicing.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS6 Avant (C8, EA825 4.0T V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 x Spool FX-350 upgraded high pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eBosch-spec 10-micron high-flow fuel filter\u003c\/li\u003e\n\u003cli\u003eUpgraded fuel lines and installation hardware\u003c\/li\u003e\n\u003cli\u003eSpool wireless ethanol content analyzer kit with phone app (if selected)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eChoose at checkout whether to add the ethanol analyzer, use one you already have, or skip it. Calibration changes are required to prevent damage, and Spool supplies calibration details to your tuner. A low pressure fuel upgrade is recommended so the pumps always get enough supply. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Yes Include the Spool Ethanol Content Analyzer","offer_id":46579288703061,"sku":"SP-EA825RS6-FX350","price":7399.99,"currency_code":"USD","in_stock":false},{"title":"I have an existing Spool Ethanol Content Analyzer","offer_id":46579288735829,"sku":"SP-EA825RS6-FX350-EE","price":6999.99,"currency_code":"USD","in_stock":false},{"title":"I would not be installing an Ethanol Content Analyzer","offer_id":46579288768597,"sku":"SP-EA825RS6-FX350-NE","price":6999.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/RS6_AVANT_023164d0-c7b5-4647-8f9d-536679266df1.jpg?v=1793251081"},{"product_id":"audi-rsq8-lamborghini-urus-spool-ethanol-analyzer","title":"Audi RSQ8 \u0026 Lamborghini Urus Spool Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool ethanol analyzer kit for the Audi RSQ8 and Lamborghini Urus gives you fast, accurate ethanol readings so you always know what's in the tank.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eWhether you run pump gas, a blend or full E85, a flex-fuel tune is only as safe as the fuel it sees. This kit shows your ethanol content at all times for safe, consistent performance, using ethanol-safe components built for high-power setups.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudi RSQ8\u003c\/li\u003e\n\u003cli\u003eLamborghini Urus\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInstant ethanol content readings\u003c\/li\u003e\n\u003cli\u003ePlug-and-play style harnesses and tidy routing\u003c\/li\u003e\n\u003cli\u003eFully ethanol-safe components\u003c\/li\u003e\n\u003cli\u003eWorks with flex-fuel tunes and digital displays\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eMade to fit the RSQ8 and Urus with minimal hassle. Ideal if you run E85 or plan to go flex-fuel.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564604182613,"sku":"EA839-ETH","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/2B68A522-869D-4702-B0E3-BAA570AE82FF_507151fb-1ed1-4887-9629-dc8a466174e7.png?v=1793251087"},{"product_id":"audi-ea825-4-0t-spool-ifx-ea150-upgraded-di-inject","title":"Spool Performance IFX-EA150 Upgraded DI Injectors for EA825","description":"\u003ch2\u003e\u003cstrong\u003eSpool Performance IFX-EA150 Upgraded DI Injectors for EA825\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlock the full fueling potential of your EA825 platform with the \u003cstrong\u003eSpool Performance IFX-EA150 Upgraded Direct Injectors\u003c\/strong\u003e—precision-engineered to support serious power with OEM-like refinement. Delivering \u003cstrong\u003e35% more flow\u003c\/strong\u003e and an additional \u003cstrong\u003e1,000 psi of maximum rail pressure capability\u003c\/strong\u003e, the IFX-EA150 injectors provide the fueling headroom required for high-boost, high-airflow builds.\u003c\/p\u003e\n\u003cp\u003e    Once boost, airflow, or ethanol content increase, the factory EA825 injectors quickly become the limiting factor. High-RPM pulse-width extensions, late injection events, and cylinder-to-cylinder imbalance can all show up when the DI system is pushed beyond its design.\u003c\/p\u003e\n\u003cp\u003eThe IFX-EA150 injectors eliminate these constraints by offering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e35% Increased Flow Capacity\u003c\/strong\u003e\u003cbr\u003eMore mass fuel per event with reduced pulse-width at high RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e+1,000 psi Additional Pressure Capability\u003c\/strong\u003e\u003cbr\u003eStronger atomization and improved combustion consistency even under extreme cylinder pressures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShorter Injection Window\u003c\/strong\u003e\u003cbr\u003eMeets fueling targets earlier in the cycle for cleaner, more complete combustion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSupports higher boost and more aggressive ignition timing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStabilizes fueling at high RPM where stock injectors fall short\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnables safe power on ethanol blends, including \u003cstrong\u003eE50–E85\u003c\/strong\u003e, without running the DI system at its limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrevents lean-out, late-cycle injection, and uneven fuel distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for big turbo and hybrid turbo EA825 builds targeting \u003cstrong\u003e800–1000+ whp\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOptimized for E85 and High Ethanol Content\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEthanol requires \u003cstrong\u003e~30% more volume\u003c\/strong\u003e than pump gas to achieve the same energy output. This places enormous strain on the stock DI injectors and HPFP. The IFX-EA150 injectors provide the additional flow and pressure needed to run \u003cstrong\u003eE85 or high-ethanol blends\u003c\/strong\u003e confidently and safely.\u003c\/p\u003e\n\u003cp\u003eWith the added flow capacity and increased pressure ceiling, the injectors maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConsistent lambda under high load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafe injector pulse-width at redline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable spray pattern and atomization even with ethanol’s higher volume demand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen paired with the FX350 HPFP, the system has more than enough headroom to support \u003cstrong\u003efull E85 on high-power EA825 builds—DI only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerfect Match With the Spool Performance FX350 HPFP\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCombine the IFX-EA150 injectors with our \u003cstrong\u003eSpool Performance FX350 High-Pressure Fuel Pump\u003c\/strong\u003e (capable of up to \u003cstrong\u003e35 MPa\u003c\/strong\u003e) for a complete, high-performance DI-only solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCombined Benefits of IFX-EA150 + FX350:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMassive DI headroom for high-boost and ethanol-heavy setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEasily supports \u003cstrong\u003efull E85\u003c\/strong\u003e without adding port injection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShorter injection duration across the board for cleaner combustion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOEM-like reliability with extreme fueling capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplifies your build with a \u003cstrong\u003eclean, emissions-friendly DI-only configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis pairing creates the strongest and cleanest EA825 fueling strategy available—ideal for builders wanting maximum power without the complexity of supplemental fueling.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTuner-Friendly Calibration Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTo ensure seamless integration, \u003cstrong\u003eSpool Performance provides full calibration assistance to your tuner. \u003c\/strong\u003eWe work directly with tuners worldwide, ensuring your setup performs exactly as engineered.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564605460565,"sku":"SP-EA825-EA150INJ","price":2249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/EA825injectors.jpg?v=1793251120"},{"product_id":"audi-ea825-4-0t-v8-spool-low-pressure-fuel-system","title":"Audi EA825 4.0T V8 Spool Low Pressure Fuel System Upgrade","description":"\u003cp\u003eThis low pressure fuel system upgrade for the EA825 4.0T V8 uses the Torqbyte PM5 brushless pump controller to raise the factory pump's flow by over 60%.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eStage 3 and Stage 4 EA825 setups making 800 to 1,200 hp need more low side fuel than the factory pump control module allows. The PM5 replaces the factory J538 module, keeps the OEM pump and basket, boosts pump voltage up to 24V and supplies up to 40A, while the ECU stays in full closed-loop control of fuel pressure and no trouble codes are set.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eUpgraded EA825 4.0L twin-turbo V8 setups\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOver 60% more low pressure pump flow\u003c\/li\u003e\n\u003cli\u003eReplaces the factory fuel pump control module J538\u003c\/li\u003e\n\u003cli\u003eRetains the OEM pump and basket\u003c\/li\u003e\n\u003cli\u003eIntegrated voltage boosting, adjustable 15V to 24V\u003c\/li\u003e\n\u003cli\u003ePlug-n-play OEM VAG connectors, no cutting or splicing\u003c\/li\u003e\n\u003cli\u003eCANBus access to RPM, throttle, load and torque\u003c\/li\u003e\n\u003cli\u003eWorks with any ECU tune, or none\u003c\/li\u003e\n\u003cli\u003eFree TorqBLPM Windows software for setup and data logging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eRecommended for Stage 3 and Stage 4 setups making 800 to 1,200 hp. The unit is not sealed and must be mounted inside the cabin, ideally on a large metal surface for cooling, with a dual fused 40A battery connection and solid chassis ground. A second PM5 can be added as a slave for dual pumps. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564605722709,"sku":"SP-TB_DS","price":2949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/Torqbyte_PM5_1PVB_Kit_Generic_2048x2048_2c609221-8078-4fd0-a8ec-dd209d544042.webp?v=1793251124"},{"product_id":"audi-rs-q8-spool-fx-350-high-pressure-fuel-pump-ki","title":"Audi RS Q8 Spool FX-350 High Pressure Fuel Pump Kit","description":"\u003cp\u003eThe Spool FX-350 high pressure fuel pump kit for the Audi RS Q8 raises the fueling ceiling of the 4.0T V8 so you can run bigger turbos and higher ethanol blends.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe stock high pressure pump on the RS Q8 limits how far you can tune. The FX-350's larger bore adds about 90% more flow than stock, and running at 35 MPa (350 bar) versus 25 MPa on the FX-200 lets the injectors flow about 40% more fuel with shorter injection times and better atomization.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS Q8 (4.0T V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 x Spool FX-350 upgraded high pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eBosch-spec 10-micron high-flow fuel filter\u003c\/li\u003e\n\u003cli\u003eUpgraded PTFE-core braided fuel lines and install hardware\u003c\/li\u003e\n\u003cli\u003eSpool ethanol content analyzer kit with phone app (optional)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe FX-350 requires calibration changes to avoid damage, and Spool can share calibration details with your tuner. Make sure your low pressure side is upgraded too; Spool recommends a low pressure pump controller to keep the high pressure pumps fed. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564606541909,"sku":"SP-EA825RSQ8-FX350","price":7349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/RSQ8.jpg?v=1793251127"},{"product_id":"audi-rs7-c8-spool-fx-350-high-pressure-fuel-pump-k","title":"Audi RS7 C8 Spool FX-350 High Pressure Fuel Pump Kit","description":"\u003cp\u003eThe Spool FX-350 high pressure fuel pump kit for the Audi RS7 C8 raises the fueling ceiling of the EA825 4.0T so you can run bigger turbos and higher ethanol blends.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe stock high pressure fuel pump becomes the limit once you tune for more power. The FX-350 has a larger bore for about 90% more fuel flow than stock and runs at up to 350 bar versus 250 bar on the FX-200, which lets the injectors flow about 40% more fuel and atomize it better. It is fully E85 compatible and plug and play, with no cutting or splicing.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS7 Sportback (C8, EA825 4.0T V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 x Spool FX-350 upgraded high pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eBosch-spec 10-micron high-flow fuel filter\u003c\/li\u003e\n\u003cli\u003eUpgraded fuel lines and installation hardware\u003c\/li\u003e\n\u003cli\u003eSpool ethanol content monitor kit with phone app (optional)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eTune changes are required to run the FX-350 safely, and calibration details are supplied for your tuner. Proper low pressure fueling is critical, so plan a low pressure upgrade such as the EA825 PM5 low pressure fuel system. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564606672981,"sku":"SP-EA825RS7-FX350","price":7349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/C8_RS7.jpg?v=1793251129"},{"product_id":"porsche-cayenne-turbo-9y0-9y3-spool-fx-350-high-pr","title":"Porsche Cayenne Turbo 9Y0 \u0026 9Y3 Spool FX-350 High Pressure Fuel Pump Kit","description":"\u003cp\u003eThe Spool FX-350 high pressure fuel pump kit for the Porsche Cayenne Turbo (9Y0\/9Y3) raises the fueling limit of the 4.0L twin-turbo V8 for bigger turbos and higher ethanol blends.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe stock high pressure pumps hold the Cayenne Turbo back once it is tuned. The FX-350's bigger bore gives about 90% more flow than stock, and it runs up to 35 MPa (350 bar) versus 25 MPa on the FX-200, which lets the injectors flow up to 40% more fuel with shorter injection times and better atomization. It is fully E85 compatible and plug and play, with no cutting or splicing.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePorsche Cayenne Turbo (9Y0)\u003c\/li\u003e\n\u003cli\u003ePorsche Cayenne Turbo Coupe (9Y3)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 x Spool FX-350 upgraded high pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eBosch-spec 10-micron high-flow fuel filter\u003c\/li\u003e\n\u003cli\u003eUpgraded fuel lines and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eCalibration changes are required to prevent damage, and Spool supplies calibration details to your tuner. A low pressure fuel upgrade is recommended so the pumps always get enough supply. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564606738517,"sku":"SP-P9y3-FX350","price":7349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/Cayenne_turbo_9y3.jpg?v=1793251129"},{"product_id":"porsche-panamera-turbo-971-spool-fx-350-high-press","title":"Porsche Panamera Turbo 971 Spool FX-350 High Pressure Fuel Pump Kit","description":"\u003cp\u003eThe Spool FX-350 high pressure fuel pump kit for the Porsche 971 Panamera Turbo raises the fueling ceiling of the 4.0L twin-turbo V8 for bigger turbos and higher ethanol blends.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe stock high pressure pumps become a limit once you tune the Panamera Turbo for more power. The FX-350 has a larger bore than stock for about 90% more flow and runs at up to 35 MPa (350 bar) versus 25 MPa on the FX-200, which lets the injectors flow about 40% more fuel and shortens injection times. It is fully E85 compatible and plug and play with no cutting or splicing.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003ePorsche Panamera Turbo (971, 4.0L twin-turbo V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 x Spool FX-350 upgraded high pressure fuel pumps\u003c\/li\u003e\n\u003cli\u003eBosch-spec 10-micron high-flow fuel filter\u003c\/li\u003e\n\u003cli\u003eUpgraded fuel lines and install hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpool 10-micron filter\u003c\/h2\u003e\u003cp\u003eThe included filter unit protects the high pressure pumps and injectors from contaminants without a pressure drop on the low side.\u003c\/p\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe pump needs calibration changes, and they must be applied before the car is started with the pump installed. A custom tune is needed to get the full output. Spool supplies hardware, not tunes, but can share calibration details with your tuner. Adequate low pressure fueling is critical for the pump and injectors, so plan an upgraded low pressure fuel pump into the build. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564606869589,"sku":"SP-PORPAN-FX350","price":7349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/Porsche_971_panamera_turbo.jpg?v=1793251129"},{"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":"lamborghini-urus-factory-catted-downpipe-2","title":"Lamborghini Urus 4.0T Factory Catted Replacement Downpipe","description":"\u003cp\u003eThe STRATEC factory catted downpipe is a direct OEM-style replacement for the Lamborghini Urus 4.0 twin-turbo V8.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eIt matches factory geometry with a factory-spec catalytic core, keeping stock exhaust tone, turbo response and refinement. Ideal when you need a replacement without changing sound or performance.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eLamborghini Urus 4.0T (2018-2022)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement fitment\u003c\/li\u003e\n\u003cli\u003eFactory-spec catalytic converter\u003c\/li\u003e\n\u003cli\u003eBuilt for the heat and pressure of the 4.0T\u003c\/li\u003e\n\u003cli\u003eWorks with factory oxygen sensors, heat shielding and mounts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eNo 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":46666036936789,"sku":"720595377133","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/downpp3_296cca31-f7cf-4732-9680-8f5179b18015.jpg?v=1794185049"},{"product_id":"lamborghini-urus-free-flow-downpipes","title":"Lamborghini Urus 4.0T Free Flow Downpipes","description":"\u003cp\u003eSTRATEC T304 stainless steel downpipes for the Lamborghini Urus 4.0 twin-turbo V8, designed as a direct OEM-style bolt-on.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eLess backpressure lets the 4.0T breathe more efficiently for sharper acceleration and turbo response, with a richer, deeper exhaust note and minimal drone.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLamborghini Urus 4.0T V8 (2018-2022)\u003c\/li\u003e\n\u003cli\u003eWorks with the OEM exhaust or aftermarket cat-back systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eT304 stainless steel\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on, no cutting or welding\u003c\/li\u003e\n\u003cli\u003eReduced backpressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eConfirm the catalytic converter configuration before ordering. Intended for off-road and competition use only. Not legal for use on public roads in many areas. A supporting tune is recommended.\u003c\/p\u003e","brand":"STRATEC SYSTEMS","offers":[{"title":"Default Title","offer_id":46666037035093,"sku":"720595377218","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/catless_8eb82aef-98dd-4e93-83c3-adebbb424356.jpg?v=1794185050"},{"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"}],"url":"https:\/\/www.wrenchhaususa.com\/collections\/audi-4-0t-rs6-rs7-rsq8-urus.oembed","provider":"Wrench Haus","version":"1.0","type":"link"}