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 is developed for a wide variety of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound customization - Manufactured from 304L aircraft grade stainless steel - Designed and made in the UK Specifications: - Pipe Diameter: 69.85 - Race Product: No - EMarked: No Kit comes with: - LH Front Pipe Assembly - MSAU587REP - RH Front Pipe Assembly - MSAU588REP - ValveSonic LH Rear Silencer - MSAU589 - ValveSonic RH Rear Silencer - MSAU590 - Centre Silencer (Road+) - MSAU611 Vehicle Compatibility: - 2013-2018 Audi RS6 C7 4.0 TFSI biturbo quattro including Performance Edition