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 systems are developed for a wide range 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 customization - Constructed from 304L aircraft grade stainless steel - Designed and made in the UK Specifications: - Pipe Diameter: 70.00 - Installation Time: 2 to 2.5 hours (including removing OE system) - Race Product: No - EMarked: No Kit comes with: - LH Lower Downpipe - MSAU723 - RH Lower Downpipe - MSAU724 - Front Silencer Delete Pipe - MSAU725REP - Centre Silencer Delete Pipe - MSAU727REP - LH Rear Silencer (Race) Valved - MSAU728 - RH Rear Silencer (Race) Valved - MSAU729 - Valve Extension Cable - MSVS032 - Brushed Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP255 - Brushed Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP256 Vehicle Compatibility: - 2017, 2019 Audi RS5 B9 2.9 V6 Turbo Coupe (Non OPF/GPF Models)