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K&N 57-1121 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
  • Replaces entire factory air intake system
  • Free-flowing high density polyethylene tube
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty
The K&N 57-1121 FIPK air intake system replaces the restrictive factory air filter and air intake housing in specific Yamaha YXR700 RHINO FI models. 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 57-1121 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 aerodynamic polyethylene intake tube into the engine’s throttle body for a guaranteed power gain. The oversized cone shaped air filter comes with a water repellent DryCharger filter wrap to protect the filter from moisture. This air intake is relatively easy to install usually in 90 minutes or less using existing factory mounting points. The tools needed are a screwdriver, ratchet set and some wrenches.

[More Information on FIPK Air Intake Systems]

Product Specifications

Estimated Horsepower Gain3.18 HP @
Air Filter ColorRed
Air Filter Height5 in (127 mm)
Air Filter Inside Diameter6 in (152 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Air Filter ShapeRound Tapered
CARB EO NumberD-269-51
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included7
Couplers Included3
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-2960XD
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Weight11.9 lb (5.4 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 57-1121 Air Intake Product Reviews