aFe Magnum FORCE Intake Rplcmnt Air Filter 7-1/8 IN F x (8-3/4 x 8-3/4) IN B x 7 IN T x 6-3/4 IN H - 72-91068 fits_2003-2008`Audi`S4 This system incorporates magnetic drain

This system incorporates magnetic drain and deep reach fill plugs to capture loose particles for maximum protection

This system produced gains of up to +14 HP and +17 lbs

Maintains stock trunk volume

Supersedes Part# 45553

This high-grade stainless steel eliminates the need for coatings that can weaken over time

aFe Magnum FORCE Intake Rplcmnt Air Filter 7-1/8 IN F x (8-3/4 x 8-3/4) IN B x 7 IN T x 6-3/4 IN H - 72-91068 fits_2003-2008`Audi`S4 This system incorporates magnetic drainWith seven layers of progressively finer mesh cotton gauze synthetic media between 100 percent polyurethane top and base, this high flow "oiled" conical performance filter provide maximum protection with highest cumulative filtration efficiency for severe duty environments. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated