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 a more aggressive tone if preferred. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. The performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet performance exhaust requirements. 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: 70.00 - Installation Time: 2 to 2.5 hours (including removal of OE system) - Race Product: No - EMarked: Yes - EMark Number: RS4RS5OPF Kit comes with: - ACTUATOR01: Electronic Valve Motors - ACTUATOR01 - MSAU724: RH Lower Downpipe - MSAU724 - MSAU725: Front Silencer - MSAU725 - MSAU727: Centre Silencer - MSAU727 - MSAU730: LH Rear Silencer (ECE) Valved - MSAU730 - MSAU731: RH Rear Silencer (ECE) Valved - MSAU731 - MSAU739: LH Lower Downpipe - MSAU739 - MSTIP248: Cerakote Black Black 170 x 107 Exhaust Tip, LH - MSTIP248 - MSTIP249: Cerakote Black Black 170 x 107 Exhaust Tip, RH - MSTIP249 Vehicle Compatibility: - Audi RS5 B9 2.9 V6 Turbo Coupe (OPF/GPF Models) 2019 and Later