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 and are made in the UK. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L 'Aircraft' Grade stainless steel - Manufactured in the UK and distributed worldwide Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - Cerakote Black GT (round) 90 Exhaust Tip, Standard - MSAU532 - Flexible Connecting Pipe - MSBM219 - Centre Connecting Pipe - MSBM220 - Rear Silencer Connecting Pipe - MSBM221 - Rear Silencer - Road - MSBM222 - Rear Silencer Connecting Pipe - MSBM224 Vehicle Compatibility: - 2012-2016 BMW 1 Series M135i 3 & 5 Door (F21 & F20, None xDrive)