The range of Cat-Back systems is designed for those seeking improved sound and aesthetics. Each system is a direct replacement for the original exhaust and is available in multiple configurations, 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 designed for a wide range of vehicles, with ongoing research and development to meet evolving performance requirements. All products are made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Designed and made in the UK Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - Flexible Connecting Pipe - MSBM219 - Centre Connecting Pipe - MSBM220 - Rear Silencer Connecting Pipe - MSBM221 - Rear Silencer - Race - MSBM223 - Rear Silencer Connecting Pipe - MSBM224 - Brushed Titanium GT (round) 90 Exhaust Tip, Standard - MSTIP193 Vehicle Compatibility: - 2012-2016 BMW 1 Series M135i 3 & 5 Door (F21 & F20, None xDrive)