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 exhaust volume and tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability under harsh conditions. Performance exhaust systems are available for a wide range of vehicles. All products are made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 80.00 - Fitment 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 - MSTIP251: Cerakote Black GT (round) 115 Exhaust Tip - MSTIP251 - MSAU809: Inner Tailpipes - MSAU810: LH Valved Outlet Pipe - MSAU811: RH Valved Outlet Pipe - MSVAG29: Rear Silencer Assembly Vehicle Compatibility: - 2020 and later Audi S3 2.0TFSI Quattro Sportback 310PS & 333PS 8Y (OPF/GPF Models Only)