The B7 RS4 is considered one of the most exciting and capable cars of its time. This Cat-Back system is 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 or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. - Direct replacement for the original system - Available in multiple configurations for volume and tone adjustment - 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: No Kit comes with: - MSAU306: Twin Link Pipe Assembly - MSAU307REP: LH Non-Resonated Centre Section - MSAU308REP: RH Non-Resonated 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