{"product_id":"apr-audi-18-25-rs5-b9-catback-exhaust-system-cbk0037","title":"APR Audi 18-25 RS5 (B9) Catback Exhaust System - CBK0037","description":"\u003cp\u003eThe APR Catback Exhaust System for the Audi B9 RS4 and RS5 is a complete, high-performance exhaust solution that runs the entire length of the vehicle from the catalyst back. This system is engineered to boost performance, elevate sound, and enhance aesthetics with RS-style diamond black oval exhaust tips that are sure to make a statement. Crafted from premium materials and built with advanced manufacturing techniques, this system is designed to withstand harsh conditions and deliver lasting performance. Expect a bold, aggressive growl at wide-open throttle, along with an impressive gain of 9 horsepower and 15 FT-LBS of torque to all four wheels!\u003c\/p\u003e\n\u003cp\u003ePLEASE NOTE: Some B9.5 vehicles may be equipped with an updated valve motor. Vehicles with valve actuator P\/N 8S0-133-246-D require adapter P\/N EXH0712. The required adapter is available at no charge with proof of purchase.\u003c\/p\u003e\n\u003cp\u003ePlease call us at 1 (800) 680-7921 and request adapter EXH0712. We will expedite an adapter at no charge with proof of purchase.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSmooth transitions and straight-through components maximize performance by reducing restrictions.\u003c\/li\u003e\n\u003cli\u003eComplete catalyst-back system including downpipes, extending from the factory catalyst back.\u003c\/li\u003e\n\u003cli\u003eMandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.\u003c\/li\u003e\n\u003cli\u003ePrecision brackets and slip clamps ensure accurate alignment and hassle-free installation.\u003c\/li\u003e\n\u003cli\u003ePremium T304 stainless steel construction with TIG welding for strength and durability.\u003c\/li\u003e\n\u003cli\u003eOptimized flow through dual 2.75” downpipes, 3.5” midpipe, and quad 2.5” exits.\u003c\/li\u003e\n\u003cli\u003eStrikes the perfect balance of power, sound, style, and quality for enthusiasts.\u003c\/li\u003e\n\u003cli\u003ePerformance gains of 9 HP and 15 FT-LBS of torque delivered to all four wheels.\u003c\/li\u003e\n\u003cli\u003eValve-controlled rear mufflers dynamically adjust sound based on driving style.\u003c\/li\u003e\n\u003cli\u003eIntegrated Helmholtz resonator minimizes drone and enhances sound quality.\u003c\/li\u003e\n\u003cli\u003eIncludes an upgraded tunnel brace to accommodate the larger piping.\u003c\/li\u003e\n\u003cli\u003eDual 7.25”x5” RS-style diamond black oval tips with APR logo.\u003c\/li\u003e\n\u003cli\u003eFully emissions compliant for worry-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APR","offers":[{"title":"Default Title","offer_id":67667515932808,"sku":"aprCBK0037","price":1417.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/2491\/6104\/files\/62edf3f40587a27b9c5bdcf9974eba66L.jpg?v=1792053021","url":"https:\/\/www.allianceracing.com\/products\/apr-audi-18-25-rs5-b9-catback-exhaust-system-cbk0037","provider":"Alliance Racing","version":"1.0","type":"link"}