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 exhaust volume and tone. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh conditions. 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 - Constructed from 304L aircraft grade stainless steel - Made in the UK and distributed globally Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: No Kit comes with: - Rear Silencer - MSBM173 - LH Connecting Pipe - MSBM178 - RH Connecting Pipe - MSBM179 Vehicle Compatibility: - 2007-2011 BMW 3 Series E90 M3 4.0 V8 Saloon / Sedan - 2007-2013 BMW 3 Series E92 M3 4.0 V8 Coupe - 2007-2013 BMW 3 Series E93 M3 4.0 V8 Convertible