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. These performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet current demands. 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 volume and tone adjustment - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 63.50 - Race Product: No - EMarked: No Kit comes with: - Y Pipe - MSAU258 - LH Centre Section Replacement Pipe - MSAU259REP - RH Centre Section Replacement Pipe - MSAU260REP - LH Rear Silencer - MSAU261 - RH Rear Silencer - MSAU262 - Large-bore Downpipe - MSAU297 - Polished GT (round) 100 Exhaust Tip - MSTIP148 Vehicle Compatibility: - 2005-2008 Audi A4 2.0 TFSI B7 quattro and DTM