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 exhaust volume and tone. All products are manufactured from 304L 'Aircraft' Grade stainless steel, ensuring durability in harsh conditions. Performance exhaust systems are available for a wide range of vehicles. 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 - Fitment Time: 1 to 1.5 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - Y Pipe - MSAU488 - Connecting Pipe - MSAU523 - LH Rear Silencer Assembly - MSAU524 - RH Rear Silencer Assembly - MSAU525 - Adapter Pipe - MSAU530 - Cerakote Black GT (round) 80 Exhaust Tip, LH Twin Tip - MSTIP218 - Cerakote Black GT (round) 80 Exhaust Tip, RH Twin Tip - MSTIP219 Vehicle Compatibility: - 2009-2012 Audi A5 Cabriolet 3.0 TDi (DPF) quattro - 2007-2012 Audi A5 Coupe 3.0 TDi (DPF) quattro