{"title":"AUDI","description":null,"products":[{"product_id":"rennvox-audi-rs4-b9-200-cell-sports-catted-downpipes-ren-aud-rs4-002","title":"AUDI RS4 B9 DOWNPIPE WITH 200 CELL CATALYTIC CONVERTER","description":"\u003cp\u003eUnlock the full performance and sound potential of your \u003cstrong\u003eAudi RS4 B9\u003c\/strong\u003e with the \u003cstrong\u003eRENNVOX Downpipes With 200 Cell Catalytic Converter\u003c\/strong\u003e. Engineered specifically for Audi's 2.9L twin-turbocharged V6 (EA839), these premium high-flow downpipes deliver improved exhaust flow, faster turbo response and a more aggressive exhaust note while maintaining the benefits of high-quality 200 cell sports catalytic converters.\u003c\/p\u003e  \u003cp\u003eThe factory downpipes are one of the most restrictive sections of the exhaust system. By replacing them with larger diameter mandrel-bent stainless steel tubing and premium metallic 200 cell catalytic converters, the RENNVOX system significantly reduces back pressure, allowing the twin turbochargers to spool more efficiently and helping the engine produce stronger power and torque throughout the rev range.\u003c\/p\u003e  \u003cp\u003eDeveloped and tested by EMS Carparts, the RENNVOX Audi RS4 B9 downpipes are manufactured from premium T304 stainless steel with precision TIG welding, CNC-machined flanges and integrated heat shielding to ensure excellent durability, fitment and long-term reliability in demanding performance applications.\u003c\/p\u003e  \u003cp\u003eWhether paired with a factory exhaust or a complete RENNVOX valved exhaust system, these downpipes provide noticeable improvements in throttle response, engine character and exhaust sound while supporting Stage 2 ECU tuning and other performance upgrades.\u003c\/p\u003e  \u003ch2\u003eBenefits\u003c\/h2\u003e  \u003cul\u003e \t\u003cli\u003eImproves exhaust gas flow from the turbochargers.\u003c\/li\u003e \t\u003cli\u003eFaster turbo spool and improved engine responsiveness.\u003c\/li\u003e \t\u003cli\u003eReduces exhaust back pressure.\u003c\/li\u003e \t\u003cli\u003eSupports higher power levels for Stage 2 performance builds.\u003c\/li\u003e \t\u003cli\u003eEnhances the driving experience with a richer V6 soundtrack.\u003c\/li\u003e \t\u003cli\u003ePremium quality construction designed for long service life.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e  \u003cul\u003e \t\u003cli\u003eAudi RS4 Avant (B9) 2.9 TFSI Twin Turbo V6\u003c\/li\u003e \u003c\/ul\u003e  \u003ch2\u003eWhy Choose RENNVOX?\u003c\/h2\u003e  \u003cp\u003eRENNVOX performance exhaust products are developed for enthusiasts who demand exceptional quality, performance and fitment. Every system is engineered using premium materials and precision manufacturing techniques to deliver reliable performance, improved driving dynamics and an unmistakable exhaust note.\u003c\/p\u003e","brand":"RENNVOX","offers":[{"title":"Default Title","offer_id":46756671357125,"sku":"REN-AUD-RS4-002","price":5799.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/1151\/0469\/files\/REN-AUD-RS4-002_3f9f04fb-ec98-410a-b348-ed36dfaf5ea8.jpg?v=1787117581"}],"url":"https:\/\/rennvoxexhaust.com\/collections\/audi.oembed","provider":"RENNVOX Exhausts","version":"1.0","type":"link"}