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K&N 57-2561 5.0 out of 5 stars 2 Customer Reviews
57 Series FIPK > Performance Intake Kit

List Price: $535.52
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57-2561
 
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The K&N 57-2561 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 57-2561 air intake comes with a black rubber 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 sensor and a replacement silicone crank case vent hose. 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 the existing factory mounting points. The tools needed are a screwdriver, socket set and a 10 millimeter wrench. K&N 57 Series FIPK's are street legal in all 50 US states and come with K&N's Million Mile Limited Warranty.

[More Information on K&N FIPK Air Intake Systems]
  • 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)
  • Easy to install, usually in 90 minutes or less
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty

Product Specifications

Estimated Horsepower Gain13.46 HP @ 5129 RPM
Air Filter ColorRed
Air Filter Height5.563 in (141 mm)
Air Filter Large End Diameter6 in (152 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included3
Couplers Included1
Intake Pipe Color / FinishBlack
Intake Pipe PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedMass Air Flow Sensor Adapter Included When Required
Product Box Height12.25 in (311 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
Product Style57 Series FIPK
Replacement FilterRU-4990
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Vacuum Tubing IncludedYes
Weight8.3 lb (3.8 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews


  I think this product is great. If anyone out there owns a Ford Ranger with 4.0 liter buy this product. This motor must be drowning for air intake. I use to get 15 mpg now getting 17mpg. I know your'e thinking oh 2mpg . Did the math, pays for itself in 8 tanks, for me that's 2 months. Then I get the extra 8 dollars every tank. 400 bucks annually, its sick how much gas cost. Don't know how much hp I gained but had to be some and I dont ever have to buy another filter, thank you K  N . Some customer said his friend bought one for his Ranger after we got done Bitchn about gas and my mpg, thought why not, I've tried everything else. Pass it on Ranger fans.
Scott Zimprich Isanti, Minnesota