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 developed 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 - Made in the UK and distributed globally Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: Yes - EMark Number: AudiS8D4 Kit comes with: - LH Front Silencer - MSAU631 - RH Front Silencer - MSAU632 - Centre Silencer - MSAU633 - LH Rear Silencer - MSAU634 - RH Rear Silencer - MSAU635 - Brushed Titanium GT (round) 100 Exhaust Tip, Standard - MSVW374 Vehicle Compatibility: - 2013-2018 Audi S8 D4 4.0 TFSI quattro Tiptronic