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 exhaust volume and an aggressive tone if preferred. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh conditions. All products are made in the UK and distributed to over 90 countries. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone adjustment - Constructed from 304L aircraft grade stainless steel - Designed and manufactured 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: - Electronic Valve Motors - ACTUATOR01 - 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 - LH Lower Downpipe - MSAU739 - Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP257 - Burnt Titanium Jet (Oval) 170 x 107 Exhaust Tip - MSTIP258 - Valve Extension Cable - MSVS032 Vehicle Compatibility: - Audi RS5 B9 2.9 V6 Turbo Coupe (OPF/GPF Models) 2019 and later