Ford Focus Air Filter

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; 5.5 in. height, 6 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; 1.063 in. height, 10.375 in. outside length, 5.625 in. outside width; Oiled element; Panel style; Made of multiple interwo...

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; 5.5 in. height, 6 in. base outside diameter...

K&N HIGH FLOW AIR FILTER -- Adds 1-4 h.p. power gain; 96 percent to 99 percent filtration efficiency; 1 in. height, 8.5 in. outside length, 7.813 in. outside width; Unique style; This Air Filter is designed to increase horsepower and acceleration while pr...

K&N HIGH FLOW AIR FILTER, ROUND TAPERED -- OD 6, Flange Length 2, Flange ID 2.5, A High Performance Washable And Reusable Filter That Lasts Longer, Made With Ultra-Strong Molded Pliable Rubber Flanges Which Absorbs Vibration, Allows Secure Attachment And ...

K&N HIGH FLOW AIR FILTER, ROUND TAPERED STYLE -- OD 6, Flange ID 3, A High Performance Washable And Reusable Filter That Lasts Longer, Made With Ultra-Strong Molded Pliable Rubber Flanges Which Absorbs Vibration, Allows Secure Attachment And Can Be Stretc...

K&N HIGH FLOW AIR FILTER, ROUND TAPERED STYLE -- Base OD 5.875, Filter Re-Oiling Amount 1.11 oz., Flange ID 4.5, Constructed With Ultra-Strong Molded Pliable Rubber Flanges Which Absorb Vibration, Can Be Stretched For Up To 1/16 To Fit In-Between Sizes, W...

K&N COMPOSITE END CAP HIGH FLOW AIR FILTER, ROUND TAPERED -- OD 4, Flange Length 5/8, Made With Advance Composite Technology, A High Performance Washable And Reusable Filter That Lasts Longer, Provides Strength With Minimal Weight, With Manufacturer's Lim...

CABIN AIR FILTER -- A High Quality, Direct Fit OE Replacement For Cabin Air Filter; Covered by a 1-year unlimited mileage warranty....

Activated Charcoal...

Particulate Filter...

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 1.91" Height, 5.81" Width, 10.19" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, La...

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 1.91" Height, 5.81" Width, 10.19" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, La...

HASTINGS AIR FILTER -- OEM Direct Fit Replacement Panel Air Filter Element, 10 7/16 x 5 23/32 x 1 13/16, Replaces Ford YS4Z-9601-CC; Baldwin PA4123...