Large Three Layer Performance Air Filter:This 7-1/2" tall 360-degree radial flow air filter with a 4" flange features our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity, while not requiring the use of oils. This media is best suited for street use.

Product Features:

• +13 lbs. x ft. TQ & +15 HP
• Outflows Factory Intake by 5%
• Measured Flow: 530 CFM @ 7" H2O
• Lightweight 100% Twill Weave Carbon Fiber Housing and Tube