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. 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 current performance requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Designed for a broad range of vehicles 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 - MSAU570REP: Centre Silencer Delete Pipe - MSAU570REP - MSAU627: LH ValveSonic Rear Silencer - MSAU627 - MSAU628: RH ValveSonic Rear Silencer - MSAU628 - MSVW372: Cerakote Black GT (round) 100 Exhaust Tip, Standard - MSVW372 Vehicle Compatibility: - 2012-2018 Audi S6 4.0 TFSI C7 quattro - 2012-2018 Audi S7 Sportback 4.0 TFSI quattro S tronic