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. Each performance exhaust system is developed to fit a wide range of vehicles, with ongoing research and development to meet evolving performance requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Designed for a wide range of vehicle applications Specifications: - Pipe Diameter: 76.20 - Fitment Time: 1 to 1.5 hours (including removal of OE system) - Race Product: No - EMarked: No Kit comes with: - F5066: Adapter for OE Downpipe 76.2 O.D. to 65 I.D. 110 long - MSAU618REP: Centre Silencer Delete Pipe - MSAU618REP - MSAU674: Rear Silencer - MSAU674 - MSTIP162: Cerakote Black Jet (oval) 104 x 80 Exhaust Tip - MSTIP162 Vehicle Compatibility: - 2015-2018 Audi TT Mk3 TTS 2.0TFSI Quattro (Non-OPF/GPF Models) - 2019 and later Audi TT Mk3 TTS 2.0TFSI Quattro (OPF/GPF Models)