40 Series Delta Flow Muffler Cam & Crank Pulleys A stark difference from Dinan's

A stark difference from Dinan's traditional fully sealed systems where induction noise is not nearly as recognizable

Dinan is here to correct those mistakes for those that want a more M-passioned BMW experience

For maximum enjoyment and sound when the valve is opened on the M2 exhaust the system becomes a straight pipe to achieve peak power

Dinan's Performance Spring set for the F85 X5M and F86 X6M provides greater control over body roll by virtue of carefully calibrated spring rates

Dinan engineers designed the F55 MINI Cooper S exhaust to improve exhaust flow by reducing back pressure

40 Series Delta Flow Muffler Cam & Crank Pulleys A stark difference from Dinan'sMuffler 40 Delta 2 in Offset Inlet 2 in Offset Outlet 13 x 9. 75 x 4 in Oval Body 19 in Long Steel Black Paint Universal Each