K&N Aircharger® Air Intake Systems for Sport ATVs

  • Increased horsepower
  • Incorporates K&N high flow air filter and separate crankcase breather*
  • Complete high flow, roto molded, polyethylene intake tube
  • Powder coated aluminum airbox/heat shield
  • Includes K&N Drycharger® for extended service intervals and all mounting hardware*
  • K&N One Year Limited Warranty®
  • Designed for Honda TRX450R, Kawasaki KFX450R, Suzuki LTR450 & Yamaha YFZ450

*Where applicable

63 Series intake systems are street legal in most states. However, they are not legal for use in California and other states adopting California emission standards.


K&N Air Intakes for the Honda TRX450R, Kawasaki KFX450R, Suzuki LTR450 & Yamaha YFZ450 Model ATV

K&N's AirCharger® Intake Systems are designed to get more horsepower from your sport ATV. These high flow air intake systems eliminate the OE airbox assembly and replace it with a K&N high flow air filter, roto molded polyethylene intake tube, and powder coated heat shield. These complete intake systems are designed to provide an increase in air flow and performance that can come in handy whether riding on the track, through the woods, or in the sand.


K&N Air Intake 63-1127 for the Honda TRX450R

K&N Air Intake 63-1127 for the Honda TRX450R

  • Guaranteed to Increase Horsepower
  • Designed to Improve Throttle Response
  • Designed to Improve Engine Sound
  • Easy to Install
  • Comes with K&N Washable/Reusable Air Filter
  • Replaces OE Air Intake System
  • K&N Honda TRX450R Air Intake System 63-1127

K&N Air Intake 63-1124 for the Kawasaki KFX450R

K&N Air Intake 63-1124 for the Kawasaki KFX450R

  • Guaranteed to Add Power & Performance
  • Designed to Improve Throttle Response
  • High-Flow High Density Polyethylene Tube
  • Easy Installation, Usually in 90 Minutes or Less
  • Includes Washable & Reusable Air Filter
  • Replaces Original Factory Air Intake
  • K&N Kawasaki KFX450R Air Intake System 63-1124

K&N Air Intake 63-1128 for the Suzuki LTR450 QuadRacer

K&N Air Intake 63-1128 for the Suzuki LTR450 QuadRacer

  • Guaranteed to Boost Horsepower
  • Designed to Improve Throttle Response & Engine Sound
  • Free-Flowing High Density Polyethylene Intake Tube
  • Easy to Install, Usually in 90 Minutes or Less
  • Washable & Feusable Air Filter
  • Replaces Entire Factory Air Intake System
  • K&N Suzuki LTR450 QuadRacer Air Intake System 63-1128

K&N Air Intake 63-1123 for the Yamaha YFZ450

K&N Air Intake 63-1123 for the Yamaha YFZ450

  • Guaranteed to Increase Power
  • Designed to Improve Throttle Response
  • Easy to install
  • Washable & Reusable Air Filter
  • Replaces Factory Air Intake System
  • K&N Yamaha YFZ450 Air Intake System 63-1123