DCE Parts equal length single midpipe titanium catback (valved, quad tips)
Fitted by
PSR Parts workshop, Woerden
Photos
PSR Parts
The Story
The S55 in the F87 M2 Competition is a brilliant engine, but the factory exhaust is heavy and does little to show off its character. This black M2 Competition came to our workshop in Woerden for a complete catback upgrade: the DCE Parts equal length and single midpipe hybrid catback in titanium, with a valved rear silencer and quad tips.
The name explains the design. The front section uses equal length piping, so the exhaust pulses from both turbochargers (cylinders 1-3 and 4-6) travel the same distance before they meet. That evens out the flow and gives the S55 a smoother, more refined tone instead of the uneven rasp that some aftermarket systems produce. From there the exhaust flows into a single midpipe. Replacing the factory twin pipes and resonators with one free-flowing pipe removes restriction in the middle of the system, and it is the single midpipe that gives this F87 M2 Competition exhaust its sharper, harder edge as the revs climb. Under load the sound becomes louder and more aggressive, exactly where you want it.
Titanium is the other big win. The complete catback is noticeably lighter than the factory steel exhaust, and much of that weight is taken from the rear of the car, where it matters for balance and agility. Titanium also handles heat extremely well and develops a subtle colour at the welds and pipes over time, which gives the system a motorsport look underneath the car.
At the back, the valved rear silencer keeps the M2 usable every day. With the valves closed the car cruises calmly on the motorway and stays polite on cold starts in the street. Open the valves using the car's own exhaust mode and you get the full M2 soundtrack, with more volume and crackle on the overrun. The quad tips fit the factory rear diffuser for a clean, OEM-plus look.
Because this is a catback system, the catalytic converters stay in place and no tune is required to fit it. The exhaust bolts onto the factory mounting points of the F87 M2 Competition with its S55 engine. It also combines well with a tune later on if you want to take the car further.
Looking for a lighter, louder exhaust for your F87 M2 Competition? The DCE Parts equal length single midpipe titanium catback is available at PSR Parts, and our team can fit it for you in our workshop in Woerden.
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