K & N developed and manufactures the only air filtration system of its kind…a high-flow, washable filter that's been proven, again and again, to be the finest in the world. Professional racers and mechanics worldwide rely on K & N air filters to protect their expensive engines ... and so should you!
Epoxy Coated Aluminum screen mesh protects fabric filter media while straightening air flow.
Unaffected by Moisture
Moisture will not clog the oil-saturated element. Even after being completely wet, the filter won't need to be replaced.
Million Mile Limited Warranty
You buy it once, clean it and re-oil again and again.
Free-Flowing
Even with an outer layer of dust and dirt, there is adequate airflow.
Oiled Premium Cotton gauze keeps dirt and debris on the outside of the filter to improve filtering efficiency.
E-0945
1997 – 2004 FORD F150 ALL (Heritage)
33-2287
2004 – 2006 FORD F150/F250 5.4L 3V
57-2556
2004 – 2006 FORD F150 5.4L 3V FIPK
57-2541
1997 – 2003 FORD F150 5.4L FIPK
Airaid Premium Filters & Intake Systems
AIRAID Premium Filters are constructed using the finest materials available today. All AIRAID Premium Filters utilize a urethane body that won’t crack or curl like our competitors’ rubber units. Filtration is second to none with the combination of our proprietary SynthaFlow and multiple cotton gauze layers. All AIRAID Premium Filters are 100% reusable and feature a Lifetime Guarantee.
Multiple Cotton Gauze Layers
Outperforms the others in clean air testing
Durable Wire-Epoxy Wire Mesh
Specially designed to provide optimum balance between maximum air flow and peak filtration
Synthaflow Layer of Protection
Airaid’s exclusive SynthaFlow layer is the final layer of defense, assuring the cleanest air possible from any washable filter.
850-349
2004 – 2006 FORD F150 5.4L 3V
860-345
1997 – 2004 FORD F150 4.2L, 4.6L, 5.4L (Heritage)
400-140-1
2004 – 2006 FORD F150 5.4L 3V COLD AIR INTAKE SYSTEM
