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 performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Designed for a broad range of vehicle applications Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - F5133: Adapter Pipe 76.2 O.D. to 62.3 I.D. 110 long - MSBM225: Flexible Connecting Pipe - MSBM225 - MSBM226REP: Centre Silencer Delete Pipe - MSBM226REP - MSBM227: Rear Silencer Connecting Pipe - MSBM227 - MSBM228: Rear Silencer - MSBM228 - MSBM249: Outlet Pipe - MSBM249 - MSBM250: Mounting Bracket - MSBM250 - MSTIP193: Brushed Titanium GT (round) 90 Exhaust Tip, Standard - MSTIP193 Vehicle Compatibility: - 2014-2016 BMW 4 Series F32 428i Coupe (Manual Gearbox, without Tow Bar, None xDrive, N20 Engine Only)