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. Each system is made from 304L aircraft grade stainless steel to ensure durability in harsh conditions. All performance exhaust systems are designed for a wide range of vehicles, with ongoing research and development to meet current market demands. Products are manufactured 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 - Constructed from 304L aircraft grade stainless steel - Manufactured in the UK and distributed globally 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 - MSTIP160: Cerakote Black Jet (oval) 118 x 83 Exhaust Tip - MSTIP160 - MSAU809: Inner Tailpipes - MSAU811: RH Valved Outlet Pipe - MSAU810: LH Valved Outlet Pipe - MSVAG29: Rear Silencer Assembly Vehicle Compatibility: - Audi S3 2.0TFSI Quattro Sportback 310PS & 333PS 8Y (OPF/GPF Models Only) 2020 and Later