Sportsman XR-1 Shorty 4in In/Out x 12in Muffle Cam & Crank Pulleys This allows exhaust gases to

This allows exhaust gases to exit the turbine more efficiently and reduces backpressure on the turbine side

Air Induction System - Maxflow 5 Closed Box - Reusable Oiled Filter - Plastic - Black - 5

Exhaust System - Xtreme - Cat-Back - 3 in Diameter - 4-1/2 in Black Polished Carbon Fiber Tips - Valved - Stainless - Natural - 3

Essentially BMW has seen fit to give M340i owners an air box that looks uninspiring

Sportsman XR-1 Shorty 4in In/Out x 12in Muffle Cam & Crank Pulleys This allows exhaust gases toMuffler XR 1 Sportsman 4 in Center Inlet 4 in Center Outlet 12 x 4. 25 x 7. 88 in Oval Body 17 in Long Stainless Natural Universal Each