The B7 RS4 is widely regarded as 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 system and is available in multiple configurations. This allows the owner to choose the desired increase in exhaust volume and/or a more aggressive tone. All products are made 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 and manufactured in the UK Specifications: - Pipe Diameter: 60.00 - Fitment Time: 1.5 to 2 hours (including removal of OE system) - Race Product: No - EMarked: Yes - EMark Number: e24*70/157*1999/101*1069*00 Kit comes with: - MSAU306: Twin Link Pipe Assembly - MSAU307: LH Centre Section - MSAU308: RH Centre Section - MSAU314: Brace Bar - MSAU317: LH Rear Section including Exhaust Valve - MSAU318: RH Rear Section including Exhaust Valve Vehicle Compatibility: - 2006-2008 Audi RS4 B7 4.2 V8 Saloon, Avant, and Cabriolet (V1 & ECE Systems)