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 and 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. All products are made in the UK and distributed to over 90 countries. - 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 a wide range of vehicles Specifications: - Pipe Diameter: 70.00 - Installation Time: 2 to 2.5 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - LH Downpipe (non-resonated) - MSAU507REP - RH Downpipe (non-resonated) - MSAU508REP - Centre Silencer Delete Pipe - MSAU509REP - LH Rear Silencer with Active Exhaust Valve - MSAU510 - RH Rear Silencer with Active Exhaust Valve - MSAU511 Vehicle Compatibility: - Audi RS5 B8 Coupe 2010-2015