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 as a direct replacement for the original exhaust, offering multiple configurations to allow the owner to select the desired increase in exhaust volume and tone. All products are manufactured from 304L aircraft grade stainless steel to ensure durability in harsh conditions. - Direct replacement Cat-Back system for the original exhaust - Multiple configurations for volume and tone adjustment - Manufactured from 304L aircraft grade stainless steel - Designed and made in the UK Specifications: - Pipe Diameter: 60.00 - Fitting Time: 1.5 to 2 hours (including removing OE system) - Race Product: No - EMarked: Yes - EMark Number: e24*70/157*1999/101*1069*00 Kit comes with: - MSAU306: Twin Link Pipe Assembly - MSAU306 - MSAU307: LH Centre Section - MSAU307 - MSAU308: RH Centre Section - MSAU308 - MSAU314: Brace Bar - MSAU314 - MSAU391: LH Rear Section inc Exhaust Valve - MSAU391 - MSAU392: RH Rear Section inc Exhaust Valve - MSAU392 Vehicle Compatibility: - 2006-2008 Audi RS4 B7 4.2 V8 Saloon, Avant and Cabriolet - V1 & ECE Systems