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 a more aggressive tone if preferred. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh conditions. 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 - Constructed from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 80.00 - Fitting Time: 2 to 2.5 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - MSAU764REP: Centre Silencer Replacement Pipe (80mm Version) - MSAU764REP - MSAU765: Rear Silencer (80mm Version) - MSAU765 - MSAU766: LH Valved Outlet Pipe - MSAU766 - MSAU767: RH Valved Outlet Pipe - MSAU767 - MSTIP257: Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP257 - MSTIP258: Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP258 Vehicle Compatibility: - 2017-2018 Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - Non-OPF/GPF Models - 2019 and later Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - OPF/GPF Models