The B7 RS4 is considered one of the most exciting and capable cars of its time. A system has been developed to further enhance these characteristics. The range of Cat-Back systems is designed for those seeking improved sound and aesthetics, serving as a direct replacement for the original system. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume and achieve a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Designed for lasting performance in harsh environments Specifications: - Pipe Diameter: 60.00 - Fitment Time: 1.5 to 2 hours (including removal of OE system) - Race Product: No - EMarked: No Kit comes with: - Twin Link Pipe Assembly - MSAU306 - LH Centre Section - MSAU307 - RH Centre Section - MSAU308 - Brace Bar - MSAU314 - LH Rear Section - MSAU315 - RH Rear Section - MSAU316 Vehicle Compatibility: - 2006-2008 Audi RS4 B7 4.2 V8 Saloon, Avant, and Cabriolet - V1 & ECE Systems