BMW F20/21 M140i - Resonated (Quieter) GPF/OPF-Back Exhaust System with Cerakote Black GT-90 Trims Model_Cooper S (R59) Roadster (2012-15) The styling of the system

The styling of the system blends well the Audi character with the quad tailpipes fitting perfectly into the rear diffuser

including highly polished tips

the intercooler was tested back-to-back on the dyno against the OEM item

The surface is hardened and heat treated in 2 different stages

The 9 Blade TTE turbine is a special turbine designed by TheTurboEngineers

BMW F20/21 M140i - Resonated (Quieter) GPF/OPF-Back Exhaust System with Cerakote Black GT-90 Trims Model_Cooper S (R59) Roadster (2012-15) The styling of the systemFrom 2017, many vehicles have been manufactured with a Particulate Filter to reduce further the emissions from the vehicle. The Milltek Sport Particulate Filter Back range is designed to compensate for the sound reducing qualities from the particulate filter and significantly improve the sound aesthetic of the exhaust system. All our performance exhaust systems are designed with you in mind, and we cater to an ever expanding range of vehicles. We