From 2017, many vehicles have been equipped with a Particulate Filter to further reduce emissions. The Milltek Sport Particulate Filter-Back range is designed to compensate for the sound-reducing qualities of the particulate filter and significantly improve the exhaust system's sound aesthetic. Milltek Sport performance exhaust systems are designed for a wide range of vehicles. All products are made in the UK and distributed to more than 90 countries worldwide. - Designed to enhance exhaust sound on vehicles with particulate filters - Manufactured in the UK - Distributed to over 90 countries Specifications: - Pipe Diameter: 70.00 - Fitting Time: 2 to 2.5 hours (including removing OE system) - Race Product: No - EMarked: Yes - EMark Number: M3M4OPF Kit comes with: - F20370: Brace Bar - MSBM256: Rear Silencer - MSBM256 - MSBM269: Rear Silencer Connecting Pipe Left Hand - MSBM269 - MSBM270: Rear Silencer Connecting Pipe Right Hand - MSBM270 - MSBM311: Centre Section (EC Approved) - MSBM311 - MSTIP225: Carbon Fibre Jet (round) 90 Exhaust Tip, Standard - MSTIP225 Vehicle Compatibility: - 2019-2020 BMW 3 Series F80 M3, M3 Competition & M3 CS Saloon (OPF/GPF Models Only) - 2019-2020 BMW 4 Series F82/83 M4 Coupe/Convertible, M4 Competition & M4 CS Coupe (OPF/GPF equipped models only)