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. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. Each performance exhaust system is 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 - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 63.50 - Race Product: 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 Jet (round) 100 Exhaust Tip - MSAU298 Vehicle Compatibility: - 2005-2008 Audi A4 2.0 TFSI B7 quattro and DTM