The Cat-Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing 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. The performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound customization - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed to over 90 countries Specifications: - Pipe Diameter: 70.00 - Installation Time: 5.5 to 6.5 hours (including removal of OE system) - Race Product: No - EMarked: No Kit comes with: - LH Non-resonated Connecting Pipe - MSAU386REP - RH Non-resonated Connecting Pipe - MSAU387REP - Silencer Assembly (excluding trims) - MSAU388 Vehicle Compatibility: - 2007-2012 Audi R8 V8 4.2 FSI quattro