Sportsman XR-1 Muffler 4in In/Out x 16in downpipes 88 in Oval Body -

88 in Oval Body - 17 in Long - Stainless - Natural - Universal - Each

Resonator - CrateMuffler - 2

5') polished or cermic black exhaust tips for a tasteful high-performance look

While the unit could be physically thicker the 40mm dimension was ultimately chosen with consideration of airflow requirements of the main radiator which is located directly behind the heat exchanger

the M340i comes with a dry and lifeless air box housing a basic panel filter that is also accompanied by an intake resonator whose job it is to eliminate turbo/intake noises

Sportsman XR-1 Muffler 4in In/Out x 16in downpipes 88 in Oval Body -Muffler XR 1 Sportsman 4 in Center Inlet 4 in Center Outlet 16 x 4. 25 x 7. 88 in Oval Body 21 in Long Stainless Natural Universal Each