Flange Inside Dia.; Cross Linked Polyethylene; Blue Filter; Cotton Gauze; Gains +8 HP/+7 lbs. /ft. Torque;. This aFe POWER Pro 5R air filter is a 7-1/2 in. aFe POWER's patent pending filter-to-housing interface eliminates the use of an overabundance of parts, further simplifying the installation process.
