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. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh conditions. The performance exhaust range is continually developed to suit an expanding range of vehicles, with all products made in the UK and distributed globally. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Designed and manufactured in the UK Specifications: - Pipe Diameter: 60.30 - Installation Time: 2 to 3 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - LH Downpipe - MSAU461 - RH Downpipe - MSAU462 - Front Silencer - MSAU463 - Centre Silencer - MSAU464 - LH Rear Silencer Delete Pipe - MSAU467 - RH Rear Silencer Bypass Pipe - MSAU468 - Brace Bar - MSAU513 - Polished GT (round) 100 Exhaust Tip, LH Twin Tip - MSAU601 - Polished GT (round) 100 Exhaust Tip, RH Twin Tip - MSAU602 Vehicle Compatibility: - 2012-2016 Audi S4 3.0 Supercharged V6 B8.5 - 2012-2016 Audi S5 3.0 TFSI B8.5 Sportback