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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 increase in exhaust volume and achieve a more aggressive tone if preferred. 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, with ongoing research and development to meet evolving performance requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Designed and manufactured in the UK Specifications: - Pipe Diameter: 63.50 - Race Product: No Kit comes with: - Downpipe - MSAU165 - Polished Jet (round) 90 Exhaust Tip - MSAU248 - Y Pipe - MSAU258 - LH Centre Section Replacement Pipe - MSAU259REP - RH Centre Section Replacement Pipe - MSAU260REP - LH Rear Silencer - MSAU261 - RH Rear Silencer - MSAU262 Vehicle Compatibility: - 2001-2005 Audi A4 1.8T B6 quattro Saloon/Avant 163BHP (5 speed)







