The Scorpion Red Power Car Exhausts are packed with features... Specifications Include: Designed Specifically for the Audi RS3 8V (Non-GPF Model) 2017 - 2021 Saloon/Sedan Cat-Back System (Resonated) (Non-Valved). Includes the following components: Resonated centre section Link pipe Rear silencer L/H Non-Valved trim connecting pipe R/H Non-Valved trim connecting pipe L/H & R/H Inner trim connecting pipe Trim extension 80mm Polished Evo trim Fitting kit Pipe Diameter - 80 mm (3.15") Tailpipe - Polished Evo trim Fits To - OEM & Scorpion systems Red Power - Built to stir your soul! Warranty - All Scorpion exhausts come with a lifetime warranty British Manufactured - All Scorpion exhausts are hand crafted by Scorpion automotive engineers in Derbyshire, UK Fittings/Instructions - All Scorpion products are supplied with everything needed to fit and ride, along with parts drawings and picture instructions where necessary PLEASE NOTE: Fits Non-GPF Model Audi RS3 8V 2017 - 2021 Saloon / Sedan