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 exhaust volume and tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. Performance exhaust systems are available for a wide range of vehicles. All products are made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 60.30 - Race Product: No - EMarked: No Kit comes with: - LH Downpipe - MSAU461 - RH Downpipe - MSAU462 - Brace Bar - MSAU513 - X Pipe - MSAU594 - Centre Silencer - MSAU595 - LH ValveSonic Rear Silencer - MSAU620 - RH ValveSonic Rear Silencer - MSAU621 - ValveSonic Electronic Valve Fitting Kit - MSVSFK01 - Cerakote Black GT (round) 100 Exhaust Tip, Standard - MSVW372 Vehicle Compatibility: - 2012-2016 Audi S4 3.0 Supercharged V6 B8.5 - 2011-2016 Audi S5 3.0 TFSI B8.5 Coupe & Cabriolet - 2012-2016 Audi S5 3.0 TFSI B8.5 Sportback