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. The range is developed for a wide selection of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound customization - Manufactured from 304L aircraft grade stainless steel - Developed for a wide range of vehicles Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: No Kit comes with: - Centre Silencer Delete Pipe - MSAU487REP - Y Pipe - MSAU488 - LH Rear Silencer Assembly - MSAU489 - RH Rear Silencer Assembly - MSAU490 - Cerakote Black GT (round) 100 Exhaust Tip - MSAU491B - Downpipe (Tiptronic) - MSAU544 Vehicle Compatibility: - 2008-2011 Audi A4 2.0 TFSI S line B8 (2WD and quattro Tiptronic-only) Saloon & Avant