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 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 and tone adjustment - Constructed from 304L aircraft grade stainless steel - Designed for a broad range of vehicle applications Specifications: - Pipe Diameter: 0.00 - Race Product: No - EMarked: No Kit comes with: - Front Connecting Pipe - MSAU683 - Front Silencer Delete Pipe - MSAU684REP - Centre Silencer Delete Pipe - MSAU685REP - Y Pipe - MSAU686 - LH Rear Silencer - MSAU687 - RH Rear Silencer - MSAU688 - LH Silencer Mounting Bracket - MSAU689 - RH Silencer Mounting Bracket - MSAU690 - Cerakote Black GT (round) 100 Exhaust Tip, Standard - MSVW372 Vehicle Compatibility: - 2016 and later Audi A4 2.0 TFSI B9 Quattro Saloon & Avant (Non OPF/GPF Models including Mild Hybrid & Without Brace Bars)