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2003 Ford F150 4.6L V8 Gas Air Intake
- 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 | 13.12 HP @ 4562 RPM |
Replacement Filter | RU-5046 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 8 |
Clamp Material | Stainless Steel |
Clamp Style | Regular |
CARB EO Number | D-269-37 |
Couplers Included | 3 |
Type | Gen II |
Estimated Torque Gain | 15.1 lbft |
Product Style | 57 Series FIPK |
Alternate Replacement Filter | RC-5046 |
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 | 13.3 lb (6.1 kg) |
Product Box Height | 12.5 in (318 mm) |
Product Box Length | 18.25 in (464 mm) |
Product Box Width | 18.25 in (464 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 - 1999 Ford F150 5.4L - 13.12HP increase- Guaranteed to increase horsepower and torque.
- Mandrel-bent aluminum 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 | 9.7 HP @ 4093 RPM |
Replacement Filter | RU-5046 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 9 |
Clamp Material | Stainless Steel |
Clamp Style | Regular |
Couplers Included | 3 |
Estimated Torque Gain | 12.4 lbft |
Product Style | 77 Series Kits |
Alternate Replacement Filter | RC-5046 |
Intake Pipe Color / Finish | Bright Mirrored Finish |
Intake Pipe Material | Aluminum |
CARB EO Number | D-269-29 |
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 | 12.1 lb (5.5 kg) |
Product Box Height | 12.5 in (318 mm) |
Product Box Length | 18.25 in (464 mm) |
Product Box Width | 18.25 in (464 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 - 2001 Ford F150 5.4L - 9.7HP Increase