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 or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. The performance exhaust systems are developed for a wide range of vehicles and are made in the UK. - Direct replacement for the original exhaust system - Available in multiple configurations for sound customization - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed worldwide Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: Yes - EMark Number: AUDIA4B8 Kit comes with: - MSAU487: Centre Silencer - MSAU487 - MSAU488: Y Pipe - MSAU488 - MSAU489: LH Rear Silencer Assembly - MSAU489 - MSAU490: RH Rear Silencer Assembly - MSAU490 - MSAU491B: Cerakote Black GT (round) 100 Exhaust Tip - MSAU491B - MSAU496: Downpipe - MSAU496 Vehicle Compatibility: - 2008-2011 Audi A4 2.0 TFSI S line B8 (2WD and quattro manual-only) Saloon & Avant