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 to ensure durability in harsh conditions. The range covers an expanding selection 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. - 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 worldwide Specifications: - Pipe Diameter: 70.00 - Installation Time: 2 to 2.5 hours (including removal of 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 (ECE) Valved - MSAU730 - RH Rear Silencer (ECE) Valved - MSAU731 - Cerakote Black 170 x 107 Exhaust Tip, LH - MSTIP248 - Cerakote Black 170 x 107 Exhaust Tip, RH - MSTIP249 Vehicle Compatibility: - 2017, 2019 Audi RS5 B9 2.9 V6 Turbo Coupe (Non OPF/GPF Models)