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 range covers an expanding selection 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 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: 70.00 - Race Product: No - EMarked: No Kit comes with: - LH Front Pipe Assembly - MSAU568 - RH Front Pipe Assembly - MSAU569 - Centre Silencer Delete Pipe - MSAU570REP - LH ValveSonic Rear Silencer - MSAU627 - RH ValveSonic Rear Silencer - MSAU628 - Brushed Titanium GT (round) 100 Exhaust Tip, Standard - MSVW374 Vehicle Compatibility: - 2012-2018 Audi S6 4.0 TFSI C7 quattro - 2012-2018 Audi S7 Sportback 4.0 TFSI quattro S tronic