K&N for 04 Ford F150 V8-5.4L Performance Intake Kit
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2008 Lincoln Mark LT 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2008 Ford F150 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2007 Lincoln Mark LT 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2007 Ford F150 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2006 Lincoln Mark LT 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2006 Ford F150 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2005 Ford F150 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2005 Ford Expedition 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
2004 Ford F150 5.4L V8 Fuel Injection
All Models Street Legal In All US States:Yes
CARB EO Number: D-269-37 TUV Approved (Europe): No
The K&N 57 Series FIPK 57-2556 air intake system replaces your vehicle’s restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. The 57-2556 air intake comes with a chrome topped K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed through an aerodynamically engineered intake tube into the engine’s throttle body for a guaranteed power gain. The oversized air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less using commonly available tools. K&N 57 Series FIPK's are street legal in all 50 US states and come with K&N's Million Mile Limited Warranty.
- 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
- Free-flowing high density polyethylene tube
- Easy to install, usually in 90 minutes or less
- Washable and reusable lifetime air filter
- K&N Million Mile Limited Warranty
Product Specifications
| Estimated Horsepower Gain | 15.46 HP @ 3829 RPM |
| Replacement Filter | RF-1020 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 7 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| CARB EO Number | D-269-37 |
| Couplers Included | 3 |
| Type | Gen II |
| Product Style | 57 Series FIPK |
| Air Filter Height | 8 in (203 mm) |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Polyethylene |
| Street Legal In All US States | Yes |
| TUV Approved (Europe) | No |
| Weight | 14 lb (6.4 kg) |
| Air Filter Large End Diameter | 7.5 in (191 mm) |
| Product Box Height | 12.5 in (318 mm) |
| Product Box Length | 22.25 in (565 mm) |
| Product Box Width | 14.25 in (362 mm) |
| Mounting Hardware Included | Yes |