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 performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet current performance exhaust requirements. - Direct replacement for the original system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed to over 90 countries Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: Yes - EMark Number: F30328i Kit comes with: - MSAU529: Polished GT (round) 90 Exhaust Tip, Standard - MSAU529 - MSBM225: Flexible Connecting Pipe - MSBM225 - MSBM226: Centre Silencer - MSBM226 - MSBM227: Rear Silencer Connecting Pipe - MSBM227 - MSBM228: Rear Silencer - MSBM228 - MSBM229: Rear Silencer Outlet Pipe - MSBM229 Vehicle Compatibility: - 2012-2015 BMW 3 Series F30 328i M Sport Automatic (without Tow Bar, None xDrive & N20 Engine Only)