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K&N 77-9023KP Be the first to review!
Intake Kits > Performance Intake Kit

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77-9023KP
 
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Built for performance and show utilizing the highest quality components, the K&N 77 Series High-Flow Performance Air Intake is a free-flowing mandrel-bent aluminum tube induction system designed for Trucks and Sport Utility Vehicles. 77-Series air intakes come with K&N's Million Mile Limited Warranty. K&N intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger amount of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available (see installation instructions). This 77 Series Air Intake cannot be sold in California. It is not legal for use in California or other states adopting California emission standards. Check the K&N catalog or website vehicle parts search for specific CARB status.

[More Information on 77 Series Air Intakes]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Free-flowing aluminum tube
  • Replaces entire factory air intake system
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty®
Available Information
Installation Instruction Sheet
77-9023KP Vehicle Applications
Dyno Chart - 2005 Toyota 4 Runner 4.0L - 7.89HP Increase
News Story - Added Performance and Protection for the Toyota 4Runner


Part 77-9023KP Product Specifications
Product Style: 77 Series Kits
Estimated Horsepower Gain: 7.89 HP @ 5189 RPM
Replacement Filter: RF-1048
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 6 in (152 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 5
Clamp Material: Stainless Steel
Clamp Style: Regular
Couplers Included: 2
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Intake Pipe Color / Finish: Polished
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: Yes
Air Filter Large End Diameter: 7.5 in (191 mm)
California Restricted: Not legal for sale or use in California
Weight: 11.9 lb (5.4 kg)
Product Box Length: 18.25 in (464 mm)
Product Box Width: 18.25 in (464 mm)
Product Box Height: 12.5 in (318 mm)


Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Customer Feedback      Be the first to review part 77-9023KP

Recently purchased a 2006 V6 4 Runner Sport Edition.  Love the truck but gas mileage and engine performance were just ok.  I was getting 18.5 to 19.5 in town if I was careful.  Just installed the K & N Air Charger System.  I'm not a great mechanic but still found it relatively simple with your directions.  It's hard for me to believe but gas mileage has increased to 23.5 to 24 if I can keep my foot out of it.  Love the engine sound.  Everything about the vehicle is smoother and with the price of gas this will pay for itself in no time.  The truck is quicker off the start and pulls much harder all the way through the power band.

You guys claim an increase of 9.5 HP but the seat of my pants say your selling yourself short.  Love the product.
Larry Johnson, Tucson, Arizona
My friend who races go carts advised me on the K&N oil filters. This will be my second oil change using them on my 2006 Toyota 4 Runner. I can't tell how they are working but I trust my friend and will be using the K&N oil filters from now on.
Bobby Marson, Naples, Florida
 When I heard about K & N filters I was a bit skeptical.  I first got my mechanic's opinion before making a purchase.  Bottom line was that it cost $22 more initially than a standard Toyota air filter, but I was banking on the longevity of the filter to be a good investment.  I usually drive my vehicles about 200,000 miles before a new purchase.

 We just returned from a five state, 3,273 mile road trip.  I drive a 2005 Toyota 4 Runner and never got over 20.9 MPG before my K & N install.  On this trip I got up to 24.3 MPG, but never less than 22.5 MPG.  Overall average was about 23.5 MPG.  In effect the filter has already paid for itself, and I am confident that this will be the last filter I need to buy for this vehicle.  Good for me and good for the environment.

  My only regret?  I didn't do this sooner.  Any plans for the future?  Yep!  I'll be buying K & Ns for my other vehicles....
Dave Walker, Campbell, California