The Dinan Freeflow midpipe for the BMW M2 G87 removes the resonator and the OEM OPF/GPF for increased power and a more aggressive sound. Made of T304 stainless steel and TIG-welded, this 76mm midpipe delivers up to an additional 27 hp on stage 1 engines. Installation requires cutting the original exhaust, and ECU remapping is mandatory.
• Direct mounting between secondary catalysts and rear silencer
• Power gain: +27 hp (on stage 1)
• 100% T304 stainless steel
• 76 mm diameter
• TIG welded, high-quality finish
• Installation hardware & manual included
• Developed in the USA
• ECU remapping required
• OEM exhaust needs to be cut
Contents
• Freeflow Midpipe Exhaust OPF/GPF Delete
Frequently Asked Questions
Do I need to have the ECU modified?
Yes, ECU remapping is mandatory to prevent error codes and to safely utilize the power gain.
Does the original exhaust need to be modified?
Yes, the OEM exhaust needs to be cut to accommodate the midpipe.
Does this system give more power?
Yes, up to +27 hp extra on a stage 1 engine with the S58.
Does this fit all BMW M2 G87 models?
Yes, this midpipe is developed specifically for the M2 G87 with S58 engine.
Is this legal for street use?
No, because the OPF/GPF is removed, this product is only suitable for off-road and track use.
