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1990 Ford F150 5.8L V8 Gas Air Intake
- Guaranteed to increase horsepower
- Designed to improve throttle response and engine sound
- Lasts up to 100,000 miles before service is required (depending on driving conditions)
- Replaces entire factory air intake system
- Easy to install, usually in 60 minutes or less
- Washable and reusable lifetime air filter
Estimated Horsepower Gain | 5.32 HP @ 3654 RPM |
Replacement Filter | RF-1012 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 5 |
Clamp Material | Stainless Steel |
Clamp Style | Mini |
CARB EO Number | D-269-17 |
Couplers Included | None |
Type | Gen I |
Estimated Torque Gain | 7.56 lbft |
Product Style | 57 Series FIPK |
Street Legal In All US States | Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your parts at knfilters.com. |
TUV Approved (Europe) | No |
Weight | 6 lb (2.7 kg) |
Product Box Height | 9.25 in (235 mm) |
Product Box Length | 15.13 in (384 mm) |
Product Box Width | 9.13 in (232 mm) |
Mounting Hardware Included | Yes |
Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 1994 Ford F150 5.8L - 5.32HP Increase- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
- Engineered to provide high airflow and exceptional filtration
- Replaces factory air filter and intake tube
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions
- Typical installation can be completed in 60 minutes or less with simple hand tools
- No-Hassle Lifetime Limited Warranty™
- Will not void vehicle warranty
Estimated Horsepower Gain | 9.33 HP @ 3696 RPM |
Replacement Filter | RU-3690 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 6 |
Clamp Material | Stainless Steel |
Clamp Style | Regular |
CARB EO Number | D-269-28 |
Couplers Included | 2 |
Type | Gen II |
Estimated Torque Gain | 13.3 lbft |
Product Style | 57 Series FIPK |
Alternate Replacement Filter | RC-3690 |
Intake Pipe Color / Finish | Black |
Intake Pipe Material | High-Density Cross-Linked Polyethylene |
Street Legal In All US States | Legal for use in all 50 states. |
TUV Approved (Europe) | No |
Weight | 12.7 lb (5.8 kg) |
Product Box Height | 10.5 in (267 mm) |
Product Box Length | 35.5 in (902 mm) |
Product Box Width | 13.25 in (337 mm) |
Mounting Hardware Included | Yes |
Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 1994 Ford F150 5.8L - 9.33HP Increase