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K&N 57-2525-2 57 Series FIPK Performance Intake Kit, Ford 5.4L
K&N 57-2525-2 57 Series FIPK Performance Intake Kit, Ford 5.4L

K&N 57-2525-2 57 Series FIPK Performance Intake Kit, Ford 5.4L

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K&N 57-2525-2 57 Series FIPK Performance Intake Kit, Ford 5.4L
K&N 57-2525-2 57 Series FIPK Performance Intake Kit, Ford 5.4L
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We estimate this item will ship on or before March 20th.
Part # 4655725252
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for K&N Filters to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Filter Color:
Material Type:
Cotton Gauze
GTIN Code:
MFG. Part #:
Clamp Material:
Stainless Steel
Clamp Style:
Horsepower Increase:
Intake Pipe Finish:
Intake Pipe Material:
High-Density Polyethylene
Filter Height:
Diameter Big End:


The K&N 57-2525-2 FIPK 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 57-2525-2 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 tube accommodates the factory mass air sensors, air temperature sensor, idle air control and PCV lines. The oversized cone shaped 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 the existing factory mounting points and requires 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.
  • K&N's easy to install air intake systems replace the restrictive factory air filter and air intake housing allowing for virtually unrestricted air flow
  • This power gaining air intake comes with K&N's famous million mile limited warranty

Installation Instructions (PDF)

2002 Ford Excursion V8-5.4L Dyno Chart (PDF)


1999-2004 Ford F250 Super Duty 5.4L
1999-2004 Ford F350 Super Duty 5.4L
2000-2004 Ford Excursion 5.4L
1999 Ford F250 5.4L
2004 Ford F350 5.4L
Some parts are not legal for use in California or other states with similar laws/regulations

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