Large Five Layer Performance Air Filter:This aFe POWER Pro 5R is a 7-1/2" tall, pre-oiled, 360-degree radial flow performance air filter with five layers of progressively finer cotton gauze media for maximum performance. It provides your engine with the largest amount of high-flowing air, usually resulting in the highest power gains out of all our filter media options. This media is perfect for street and/or track use. Its inverted top makes for more filter surface area, resulting in more flow and longer service intervals.

Product Features:

• Dyno-Proven Gains up to +15 HP and +14 Lbs. x Ft. TQ
• Outflows Factory Intake by 35%
• Measured Flow: 365 CFM @ 7" H2O
• 100% Twill Weave Carbon Fiber Construction