aFe Direct Fit Magnum Flow Pro 5R Oval Straight Air Filter AFE Magnum FLOW Pro 5R Round Air Filter 3.5" Flange ID 1" Flange Length Magnum FLOW Pro 5R Air Filter aFe POWER Magnum FLOW Pro 5R Air Filter w Foam Pre Filter aFe POWER Magnum FLOW Pro 5R Air Filter aFe POWER. Magnum Flow Pro 5R Panel Blue Air Filter (30 10176) by aFe. Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will outflow the stock paper filter for improved horsepower and torque. The Pro 5R air filter uses five layers of progressively finer mesh cotton gauze media to provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall, open, evenly spaced pleats provide excellent dust holding capacity for a longer service cycle between cleanings. An integrated urethane bump seal insures tight, no leak seal over the life of the filter. 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 has broadened to include cold air intakes, fluid filters, exhaust systems, intake manifolds, intercoolers, programmers, differential covers, transmission pans and throttle body spacers. The team of engineers, machinists, production and sales people at aFe have many years of experience in their respective positions, and together work to ensure they produce the best automotive products on the market. Features: High Flow For Increased Performance Progressive 5 Layer Cotton Gauze Material Deep Cotton Pleats for Increased Flow Progressive Bump Seal For Leak Free Seal Fits In Factory Housing Limited Lifetime Warranty