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 or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. The range covers an expanding selection of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone adjustment - Constructed from 304L aircraft grade stainless steel - Designed for a wide range of vehicles Specifications: - Pipe Diameter: 76.20 - Installation Time: 1 to 1.5 hours (including removal of OE system) - Race Product: No - EMarked: No Kit comes with: - Front Silencer Delete Pipe - MSAU715REP - Hollowtek Rear Silencer - Valved with no motors - MSAU716 - Brushed Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP255 - Brushed Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP256 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)