aFe Magnum FLOW Universal Air Filter w/ Pro 5R Media (24-40009) 1585 Dyno Proven gains of up

Dyno Proven gains of up to 15 hp and 11 lb-ft

w/ DRW 2008 GMC Sierra 3500 HD w/ SRW

look inside the inlet of the filter

This Horizontal Flow Core is rated for 1000 WHP and the perfect fit for your custom high-performance intercooler

So with this in mind careful choices in material selection is made with surface coating and other technologies

aFe Magnum FLOW Universal Air Filter w/ Pro 5R Media (24-40009) 1585 Dyno Proven gains of upMagnum Flow Pro 5R Round Tapered Blue Air Filter (24 40009) by aFe. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of progressively finer cotton media provides maximum air flow. Washable and reusable for multiple cleaning cycles, the tall, open and evenly spaced filter pleats provide excellent dust holding capacity for longer service