K&N 63-3037

63 Series Aircharger Kits > Performance Intake Kit
List Price: $728.30
Your Price: USD $401.99

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The K&N AirCharger 63-3037 air intake system replaces the restrictive factory air filter and air intake housing in some Hummer H2 models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your H2’s 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 63-3037 air intake includes a K&N high-flow air filter with a carbon fiber top and carbon fiber flanged base and a heat shield that installs into the previous air box space. The placement allows air to be directed through a custom molded intake tube into the engine’s throttle body for a guaranteed power gain. 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 requiring only a screwdriver, socket set and several wrenches. This air intake cannot be sold in California. It is not legal for use in California or other states adopting California emission standards.

[More Information on K&N AirCharger Air Intakes]
  • Guaranteed horsepower gain
  • Designed to improve throttle response and engine sound
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • Not legal for highway use in states adopting California emission regulations
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty

Product Specifications

Estimated Horsepower Gain11.42 HP @ 4524 RPM
Air Filter ColorRed
Air Filter Height7 in (178 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleMIDI
Clamps Included6
Couplers Included3
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12.5 in (318 mm)
Product Box Length22.25 in (565 mm)
Product Box Width14.25 in (362 mm)
Product Style63 Series Aircharger Kits
Replacement FilterRP-5103
Street Legal In All US States No
TUV Approved (Europe)No
Weight10.9 lb (4.9 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Customer Feedback

Be the first to review part 63-3037
I am trusting that these filters are equal in capability to Amsoil filters since K&N is a name that I would also trust. What I really like is the ability to easily change these filters with a socket wrench. This makes changing filters far more easy and faster than any and all other filter designs. I really like these filters! I use them in a Hummer H2 and a Ford SHO.

David Fisher
Garden Grove, California
Ordering was simple, delivery was quick, and installation was smooth. I hate replacing air filters every 10000 miles, so this is an easy way to keep the car running. Just put 50000 miles on the K&N filter on my Hummer H3. Seems strange that in the 1950's we had oil bath filters, then came wonderful cotton, and now back to oiled filters........ Similar to 1950 blacked wheels, then chrome, and now back to black. What is next?

P Skopal
I started racing motorcycles in the early 70's and as a greenhorn learned about K&N filters in the pits. I have K&N air filters on everything but my lawnmower. A restored 1977 RD-400 Yamaha, a 2007 Hummer, a 1999 Chevy p.u., a 1987 Honda ATV, and now my 2004 Polaris. They are the only air filters that I will pay money for.

Larry Koehn