Ford E-350 Super Duty Air Filter

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 8 in. height, 8 in. base outside diameter; 4.438 in. base inside diameter; Oiled element; Tapered conical style; Made of m...

K&N HIGH FLOW AIR FILTER, RED -- Racing use only; Not applicable nor intended for use on emission controlled street or highway vehicles; Provides up to 15 h.p. power gain; 96 to 99 percent filtration efficiency; 9 in. height, 7.5 in. base outside diameter...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; Oiled element; Unique style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceler...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 0.94 in. height, 12 in. outside length, 6.75 in. outside width; Oiled element; Panel style; Made of multiple interwoven la...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.5 in. height, 13.19 in. outside length, 7.25 in. outside width; Oiled element; Panel style; Made of multiple interwoven ...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1 in. height, 10.75 in. outside length, 9.88 in. outside width; Oiled element; Panel style; Made of multiple interwoven la...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.19 in. height, 12.81 in. outside length, 5.75 in. outside width; Oiled element; Panel style; Made of multiple interwoven...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 0.94 in. height, 11.38 in. outside length, 8.5 in. outside width; Oiled element; Panel style; Made of multiple interwoven ...

K&N HIGH FLOW AIR FILTER, ROUND -- Height 2.875, ID 11.5, OD 13.25, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits Into The Existing Factory Air B...

K&N HIGH FLOW AIR FILTER, ROUND -- Height 4.938, ID 8.375, OD 11, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits Into The Existing Factory Air Box...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.31 in. height, 10.69 in. outside length, 5.19 in. outside width; Oiled element; Panel style; Made of multiple interwoven...

K&N HIGH FLOW AIR FILTER, PANEL STYLE -- Height 0.875, Outside Length 9.938, Outside Width 9.938, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits I...

K&N HIGH FLOW AIR FILTER, RED -- Racing use only; Not applicable nor intended for use on emission controlled street or highway vehicles; Provides up to 15 h.p. power gain; 96 to 99 percent filtration efficiency; 9.5 in. height, 6.63 in. base outside diame...

K&N HIGH FLOW AIR FILTER, RED -- Racing use only; Not applicable nor intended for use on emission controlled street or highway vehicles; Provides up to 15 h.p. power gain; 96 to 99 percent filtration efficiency; 8.94 in. height, 9.5 in. base outside lengt...

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; Includes air box; Oiled element; Unique style; Made of multiple interwoven layers of surgical cotton gauze; Increases hors...