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 achieve 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 designed for a wide range of vehicles, with ongoing research and development to meet evolving performance 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 - Designed and made in the UK Specifications: - Pipe Diameter: 63.50 - Fitment Time: 1 to 1.5 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - LH Downpipe - MSAU693 - RH Downpipe - MSAU694 - LH Mounting Bracket - MSAU701 - RH Mounting Bracket - MSAU702 - Front Silencer Delete Pipe LH - MSAU708 - Front Silencer Delete Pipe RH - MSAU709 - Connecting Pipe - MSAU711 - LH Rear Silencer with Valve - MSAU712 - RH Rear Silencer with Valve - MSAU713 - Carbon Fibre Jet (round) 100 Exhaust Tip, Standard - MSTIP226 Vehicle Compatibility: - 2017 and later Audi S5 3.0 V6 Turbo Coupe B9 (Sport Diff Models Only & Without Brace Bars) Left Hand Drive Only