NM Eng Downpipe Back Exhaust System MINI S F56 Speedwell Wheels 5" thick bar-and-plate core

5" thick bar-and-plate core

This is the kind of consistent cooling that you should expect from a high quality TMIC and is a function of the geometry and design of the bar and plate core

The complete system is mandrel-bent for consistency and precision

Heavy racing or spirited driving tends to speed up that process

as much power as all but the very loudest of systems

NM Eng Downpipe Back Exhaust System MINI S F56 Speedwell Wheels 5" thick bar-and-plate coreThis NM Eng Downpipe Back Exhaust System for the MINI S F56 features Dual Resonance Chamber (DRC) muffler and resonator. It is a proprietary muffler design where it offers two different sound levels and characteristics depending on boost level and throttle input. At partial throttle the system will give round and deep sound level. Passengers can converse comfortably without any issue. At full throttle the sound level increases paired with raspier