Manufactured from 304 grade stainless steel, the MMR high-performance exhaust system for the F56 MINI unlocks power, boosts sound output and improves aesthetics, all whilst giving the driver the option to control the exhaust valve - and sound level, with the push of a button. The cat-back system uses enlarged 2.75" pipework to provide a free-er flowing path for exhaust gasses to follow, whilst the carefully designed centre resonator and rear muffler offer less of a restriction compared to the OE system, but still give the F56 MINI its addictive exhaust note. The addition of an exhaust valve delivers the best of both worlds, allowing you to easily switch between a more docile soundtrack, for one that unleashes the true tone and sound level that's just waiting to get out, all conveniently activated from a push of a button on the supplied key-fob. Finishing the cat-back system, which can be joined to the OE downpipe as a standalone rear section, are a pair of beautifully manufactured twin carbon fibre trims, complete with MMR logos. The 3" downpipe removes the native restriction in the OE equivalent, but with the addition of our 300-cell sports catalyst further reduces back-pressure and improves performance. You'll have to take our word for it that the pipework is as beautifully finished and neatly welded as the rest of the system as it's generously coated in the latest heat shielding technology to help keep unwanted heat away from your engine bay and improve exhaust gas speed internally. Our detail and performance-rich exhaust system forms an integral part of our M300 upgrade range and is available as either a downpipe, cat-back or complete system and is supplied with everything you need for installation accordingly, including clamps, valve motor assembly, wiring loom and two key-fobs.