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K&N 57-1124 Air Intake

57 Series FIPK > Performance Intake Kit
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Washable and reusable lifetime air filter
  • Easy to install, usually in 90 minutes or less
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • One-Year Limited Warranty
The K&N 57-1124 FIPK air intake system replaces the restrictive factory air filter and air intake housing in specific Kawasaki KFX450R models. K&N air 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 with less effort than the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. This 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 air intake system accommodates the factory air temperature sensor and crank case vent hose. The oversized cone shaped air filter comes with a water repellent DryCharger filter wrap to protect the filter from excessive moisture and dust. This air intake is relatively easy to install usually in 90 minutes or less using existing factory mounting points. The tools needed are a couple of screwdrivers, a ratchet set, needle nose pliers and several wrenches.

[More Information on K&N FIPK Air Intake Systems]

Product Specifications

Estimated Horsepower Gain4.57 HP @ 7100 RPM
Air Filter ColorRed
Air Filter Height6.5 in (165 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
CARB EO NumberD-269-51
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included1
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12.5 in (318 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
Product StyleMotorcycle Intake System
Replacement FilterRC-4630XD
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Weight6.3 lb (2.9 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 57-1124 Air Intake Product Reviews