This range of Cat-Back systems is designed as a direct replacement 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. Each performance exhaust system is made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for customizable sound - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 76.20 - Installation Time: 2 to 2.5 hours (including removal of OE system) - Race Product: No - EMarked: Yes - EMark Number: BMWM340 Kit comes with: - Cerakote Black GT (round) 100 Exhaust Tip, LH Twin Tip - MSAU603 - Cerakote Black GT (round) 100 Exhaust Tip, RH Twin Tip - MSAU604 - LH Adaptor - MSBM334 - RH Adaptor - MSBM335 - LH Axle Pipe - MSBM336 - RH Axle Pipe - MSBM337 - Rear Silencer Assembly - MSBM338 - LH Outlet Pipe to Milltek Trims - MSBM341 - RH Valved Outlet Pipe to Milltek Trims - MSBM342 Vehicle Compatibility: - BMW 3 Series G20 & G21 M340i XDrive Saloon & Touring (OPF/GPF Models Only) 2019 and Later - BMW 3 Series G20 M340i Sedan inc Xdrive (North American / ROW Models Only) 2021 and Later - BMW 4 Series G22 M440i Coupe (NAS/ROW Vehicles Only) 2021 and Later - BMW 4 Series G22 M440i Coupe (OPF/GPF Equipped Models Only) 2020 and Later