The Cat-Back systems are designed as direct replacements for the original exhaust system, 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. Manufactured from 304L 'Aircraft' Grade stainless steel, these systems are built to withstand harsh conditions. All products are made in the UK and distributed globally, supporting a wide range of vehicles. - Direct replacement for the original exhaust system - Available in multiple configurations for customized sound - Constructed from 304L 'Aircraft' Grade stainless steel - Designed for a wide range of vehicles Specifications: - Pipe Diameter: 69.85 - Fitment Time: 1.5 to 2 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - Centre Silencer - MSAU545 - Link Pipe - MSAU546 - Rear Silencer (inc. Tips) - MSAU547 Vehicle Compatibility: - 2008-2014 Audi TT Mk2 TTS quattro