Ford E-350 Super Duty Air Filter

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED, SOLD INDIVIDUALLY -- 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 conic...

K&N HIGH FLOW AIR FILTER, UNIQUE STYLE -- 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, With Manufacturer's Li...

K&N HIGH FLOW AIR FILTER, PANEL STYLE -- Height 1.5, Outside Length 13.188, Outside Width 7.25, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits Int...

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; Includes air box; Oiled element; Unique style; Made of multiple interwoven layers of surgical cotton gauze; Increases hors...

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; 0.938 in. height, 11.375 in. outside length, 8.5 in. outside width; Oiled element; Panel style; Made of multiple interwove...

K&N HIGH FLOW AIR FILTER, ROUND -- Height 3.25, ID 6.313, OD 8.313, 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; 1.188 in. height, 12.813 in. outside length, 5.75 in. outside width; Oiled element; Panel style; Made of multiple interwov...

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, ROUND -- Height 4.438, 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 AIR FILTER, UNIQUE STYLE -- 1.5 Height, 10.875" Outside Length, 8.688" Outside Width, Designed To Increase Horsepower And Acceleration While Providing Excellent Filtration, Washable And Reusable, Custom Designed To Fit Into An Existing Facto...

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 AIR FILTER, UNIQUE STYLE -- Height 1.375, Outside Length 12.688, Outside Width 7.063, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits...