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 tone. 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 - Constructed from 304L aircraft grade stainless steel - Designed for a wide range of vehicles Specifications: - Pipe Diameter: 69.85 - Installation Time: 1.5 to 2 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - Rear Silencer - MSAU323 - Polished Jet (round) 100 Exhaust Tip, LH - MSAU336 - Polished Jet (round) 100 Exhaust Tip, RH - MSAU337 - Centre Silencer - MSAU501 Vehicle Compatibility: - 2006-2010 Audi TT Mk2 3.2 quattro