{"product_id":"audi-b9-s4-s5-3-0t-ea839-high-flow-catted-downpipe-2018","title":"Audi B9 S4 \/ S5 3.0T (EA839) High-Flow Catted Downpipe (2018+)","description":"\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eAudi B9 S4 \/ S5 3.0T (EA839) High-Flow Catted Downpipe (2018+)\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eImproved Exhaust Flow. Enhanced Turbo Response. Unleashed Performance.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eUnlock the performance potential of your Audi S4 or S5 with the \u003cspan class=\"s1\"\u003e\u003cb\u003eSimuFlow High-Flow Catted Downpipe\u003c\/b\u003e\u003c\/span\u003e, engineered for the B9 platform equipped with the 3.0L EA839 turbocharged V6 engine.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eDesigned to reduce the restrictions of the factory downpipe while retaining a catalytic converter, this performance upgrade promotes improved exhaust flow, enhanced turbocharger efficiency, and a deeper, more aggressive exhaust note.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eWhether you’re looking to improve your Audi’s driving dynamics or support additional performance modifications, the SimuFlow High-Flow Catted Downpipe delivers the ideal combination of exhaust efficiency, performance potential, and refined sound.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eHigh-Flow Catted Design:\u003c\/b\u003e\u003c\/span\u003e Engineered to reduce exhaust restriction while retaining a catalytic converter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eImproved Turbo Response:\u003c\/b\u003e\u003c\/span\u003e Reduced exhaust backpressure can support quicker turbo spool and sharper throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eEnhanced Exhaust Efficiency:\u003c\/b\u003e\u003c\/span\u003e Optimized exhaust flow helps improve turbocharger performance, particularly on modified or tuned vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eAggressive Exhaust Sound:\u003c\/b\u003e\u003c\/span\u003e Produces a deeper, sportier exhaust note while maintaining a refined driving experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003ePerformance Tuning Potential:\u003c\/b\u003e\u003c\/span\u003e Designed to complement ECU tuning and supporting performance upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eVehicle-Specific Fitment:\u003c\/b\u003e\u003c\/span\u003e Designed for compatible Audi B9 S4 and S5 models equipped with the 3.0T EA839 engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePerformance Benefits\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eImproved Exhaust Flow\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eThe high-flow catalytic converter design reduces exhaust restriction compared to the factory configuration, allowing exhaust gases to exit the turbocharger more efficiently and supporting improved engine performance.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eEnhanced Turbocharger Efficiency\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eReducing exhaust backpressure can help improve turbocharger efficiency and responsiveness, especially under increased boost pressure and demanding driving conditions.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eRefined Performance Sound\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003eExperience a deeper, more pronounced exhaust note that enhances the character of Audi’s turbocharged V6 without completely eliminating the catalytic converter.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVehicle Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eMake:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e Audi\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eModels:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e S4 \/ S5\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003ePlatform:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e B9\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eModel Years:\u003c\/b\u003e\u003c\/span\u003e 2018+ (compatible EA839 applications)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eEngine:\u003c\/b\u003e\u003c\/span\u003e 3.0L EA839 Turbocharged V6\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eConfiguration:\u003c\/b\u003e\u003c\/span\u003e High-Flow Catted Downpipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eNote:\u003c\/b\u003e Fitment may vary by model year, chassis revision, and emissions configuration. Confirm compatibility before purchasing.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant Information\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n\u003cli\u003eECU tuning may be recommended depending on the vehicle’s configuration and supporting modifications.\u003c\/li\u003e\n\u003cli\u003eInstallation may trigger a check engine light.\u003c\/li\u003e\n\u003cli\u003eA high-flow catalytic converter does not guarantee emissions compliance or street legality.\u003c\/li\u003e\n\u003cli\u003eVerify local emissions regulations and vehicle compatibility before purchasing or installing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eShipping \u0026amp; Delivery\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eEstimated Delivery Time: 15 Days\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eYour SimuFlow High-Flow Catted Downpipe is carefully prepared and shipped to ensure it arrives safely and in excellent condition.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003ePlease allow approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e15 days for delivery\u003c\/b\u003e\u003c\/span\u003e from the date your order is placed. Delivery times may vary slightly depending on your location and shipping conditions.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47599568978092,"sku":null,"price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/1475\/0636\/files\/53DC7C80-0EBD-4496-8CA0-8C0172A511E7.png?v=1791606341","url":"https:\/\/simuflowexhaustco.com\/products\/audi-b9-s4-s5-3-0t-ea839-high-flow-catted-downpipe-2018","provider":"My Store","version":"1.0","type":"link"}