aFe MagnumFORCE Intakes Stage-1 P5R AIS P5R BMW 545i (E60)/645i (E63/64) 04-05 V8-4.4L Air Filters>Air Filters - Direct Fit Double O-ring seals deliver superior

Double O-ring seals deliver superior leak protection and the filter's 6061 aluminum body provides excellent durability

The intake tubing is constructed from mandrel-bent aluminum featuring a durable red powder coated finish with a series of gradually expanding inlet pipes

The AEM 21-714C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

Air Lift Performance 3H is our most advanced air management system yet

The end result is more part-throttle torque and improved mid-range power

aFe MagnumFORCE Intakes Stage-1 P5R AIS P5R BMW 545i (E60)/645i (E63/64) 04-05 V8-4.4L Air Filters>Air Filters - Direct Fit Double O-ring seals deliver superiorMaximum performance within minutes is what this aFe Stage 1 cold air intake system delivers. Enclosed in a durable 16 gauge heat shield; a massive washable reusable; 360 deg. conical Pro 5R air filter increases airflow resulting in an additional 6 hp; and 7 lbs. ft torque. This intake system also features a unique 3 angle adaptor for increased air velocity. The Pro 5R air filter is constructed with 100 percent polyurethane for long life and multiple