aFe Magnum FLOW T.O.P. Universal Round Racing Air Filter w/ Pro 5R Media (18-31404) 1705 and verified horsepower gains for

and verified horsepower gains for BMW enthusiasts

Reduce the risk of worn bump stops damaging your vehicle

balanced to perfection

NX2-XTR6 kit features an Xtreme pressure plate for the most demanding driver

aFe Magnum FLOW T.O.P. Universal Round Racing Air Filter w/ Pro 5R Media (18-31404) 1705 and verified horsepower gains forMagnum Flow TOP Racer Pro 5R Round Panel Blue Air Filter (18 31404) by aFe. The T. O. P. Racer is a patented design by aFe which allows air flow from the side and top of the filter in a single piece design. aFe (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars, light trucks and SUVs. The company was founded in 1999 with an initial concentration on high performance air filters. Since then, the company product line