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 a more aggressive tone if preferred. Each system is manufactured from 304L 'Aircraft' Grade stainless steel, ensuring durability in harsh conditions. All products are made in the UK and distributed to over 90 countries. - Direct replacement for the original exhaust system - Multiple configurations for volume and tone adjustment - Manufactured from 304L 'Aircraft' Grade stainless steel - Made in the UK and distributed worldwide Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: No Kit comes with: - MSAU568: LH Front Pipe Assembly - MSAU568 - MSAU569: RH Front Pipe Assembly - MSAU569 - MSAU570: Centre Silencer - MSAU570 - MSAU627: LH ValveSonic Rear Silencer - MSAU627 - MSAU628: RH ValveSonic Rear Silencer - MSAU628 - MSVW373: Polished GT (round) 100 Exhaust Tip, Standard - MSVW373 Vehicle Compatibility: - Audi S6 4.0 TFSI C7 quattro 2012-2018 - Audi S7 Sportback 4.0 TFSI quattro S tronic 2012-2018