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63-1127
 
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The K&N 63-1127 AirCharger air intake system replaces the restrictive factory air filter and air intake housing in some Honda TRX450R 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 63-1127 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 crank case vent hose. 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 couple of screwdrivers, a ratchet set and a 10 millimeter wrench. This air intake cannot be sold in California. It is not legal for use in California or other states adopting California emission standards.

More Info on K&N Air Intakes for Sport ATVs
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Free-flowing high density polyethylene tube
  • Easy to install, usually in 90 minutes or less
  • Not legal for highway use in states adopting California emission regulations
  • Washable and reusable air filter
  • Replaces entire factory air intake system

Product Specifications

Estimated Horsepower Gain3.03 HP @ 6200 RPM
Air Filter ColorRed
Air Filter Height5.5 in (140 mm)
Air Filter Large End Diameter6 in (152 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
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 Height8.5 in (216 mm)
Product Box Length18.25 in (464 mm)
Product Box Width14.5 in (368 mm)
Product Style63 Series Aircharger Kits
Replacement FilterRU-4960XD
Street Legal In All US States No
TUV Approved (Europe)No
Vacuum Tubing IncludedNo
Weight6.6 lb (3 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Customer Feedback


It's the best air filter. I use this filter (RU-4740) on my Honda TRX450r for many years, great quality. Thanks
Alex, Russia
This product is simply perfect for my new Honda. Easy installation took about fifteen minutes. And I love the improvement from installing this new filter. Subtle but definitely noticeable!
Zach, North Dakota
As a long time K&N customer I use their filters (oil & air) in all my vehicles. When I acquired my new Honda Accord Hybrid installing a K&N air filter was a no-brainer. The car's not complete without the K&N sticker on the air cleaner housing.
Dave Strom, South Boston, Virginia