Dinan Lug Bolts; 35mm - Cone Seat Air Intakes The Dinan exhaust delivers exactly

The Dinan exhaust delivers exactly what the M3 owner demands in a performance muffler

In most cases

including a Helmholtz chamber and single-channel absorption increases flow while reducing unwanted noise and weight

'This seemingly simple yet very effective approach to the business of improved intake efficiency consists of a replacement lid for the stock airbox designed to increase overall volume and accommodate a high flow filter element

75' T304 stainless steel tubing and the custom 'X' for better flow

Dinan Lug Bolts; 35mm - Cone Seat Air Intakes The Dinan exhaust delivers exactlyLonger lug bolts for use with wheel spacers.