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 systems are made in the UK and distributed to over 90 countries. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone adjustment - Constructed from 304L aircraft grade stainless steel - Manufactured in the UK and distributed worldwide Specifications: - Pipe Diameter: 80.00 - Installation Time: 1.5 to 2 hours (including removal of OE system) - Race Product: No - EMarked: No Kit comes with: - F5156: Adaptor to OE Downpipe - MSAU793REP: Centre Connecting Pipe - MSTIP159: Polished Jet (oval) 118 x 83 Exhaust Tip - MSTIP159 - MSVAG29: Rear Silencer Assembly - MSAU809: Inner Tailpipes - MSAU810: LH Valved Outlet Pipe - MSAU811: RH Valved Outlet Pipe - MSAU812: Tailpipe Extensions Vehicle Compatibility: - 2020 and later Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS & 333PS 8Y (OPF/GPF Models Only) - 2022 and later Audi S3 2.0TFSI Quattro Saloon/Sedan 310PS 8Y (North American / Non-OPF Models Only)