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 tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in 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: 76.20 - Fitment Time: 1 to 1.5 hours (including removing OE system) - Race Product: No - EMarked: Yes - EMark Number: audittrsmk3 Kit comes with: - Front Silencer - MSAU715 - Hollowtek Rear Silencer - Valved with no motors - MSAU716 - Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP257 - Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP258 Vehicle Compatibility: - 2016 and later Audi TT Mk3 TTRS 2.5TFSI Quattro (Non-OPF/GPF Models) - 2019 and later Audi TT Mk3 TTRS 2.5TFSI Quattro (OPF/GPF Models)