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K&N 63-9035 Air Intake

63 Series Aircharger Kits > Performance Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   9 Customer Reviews
  • Guaranteed horsepower gain
  • Designed to improve throttle response and engine sound
  • Free-flowing high density polyethylene tube
  • Replaces entire factory air intake system
  • K&N Million Mile Limited Warranty
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
The K&N 63-9035 Air Intake fits some Toyota Tundra models. See vehicle applications link for details.
The K&N AirCharger 63-9035 air intake system replaces the restrictive factory air filter and air intake housing in some Toyota Tundra models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your Tundra’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 63-9035 air intake comes with a chrome topped K&N high-flow air filter and a heat shield that mounts into the inner fender to block heated engine compartment air. This allows cooler, denser 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 pliers, a socket set, a couple of screwdrivers 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]

Product Specifications

Estimated Horsepower Gain13.75 HP @ 5517 RPM
Air Filter ColorRed
Air Filter Height6.5 in (165 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included5
Couplers Included2
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12.5 in (318 mm)
Product Box Length18.25 in (464 mm)
Product Box Width18.25 in (464 mm)
Product Style63 Series Aircharger Kits
Replacement FilterRF-1042XD
Street Legal In All US States No
TUV Approved (Europe)No
Weight14 lb (6.3 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 63-9035 Air Intake Product Reviews

Monday, March 6, 2017 - Part 63-9035
So far I have noticed an increase in acceleration even below the Dyno charts 3K RPM. Little noise difference when driving normally, meaning if you allow it to shift below 2K RPM, which in my 4.6L provides the best MPG. Now when you step into it a little I can tell the shift hit a bit harder and noise increases dramatically. If you really step into it hard, I can hardly hear the radio at 35. The best thing I have seen is that my 4.6L no longer has the RPM lag between 1K - 2.5K like factory you have to force it to down shift at those RPM's on a climbing on ramp, now I don't unless I want to hear it. I will know more when I tow my small camper later as I bought it for the 3K RPM range Dyno results posted which is closer to the real RPM's my truck would operate. I am now considering adding Dual Toyota Exhaust to see if that would help below 2.5 K RPM. So far, despite the extreme noise stepping hard into, it I like the difference in response. MPG, to early still likely hearing it.

Royce Wilkins
Moline, Illinois
Monday, October 24, 2016 - Part 63-9035
Excellent experience. Installed with no issues. Sound and performance just as expected.... 5 Stars

Erik Cook
Largo, Florida
Thursday, June 2, 2016 - Part 63-9035
Best bang for buck mod I have done to my Tundra. Gobs of mid range torque increase and the sound.... AWESOME! As a bonus I am getting 2 miles better per gallon.

John Gallo
Winthrop, Maine
Friday, March 4, 2016 - Part 63-9035
Awesome upgrade!

Kurt Reichenbach
Wednesday, July 15, 2015 - Part 63-9035
Great product. Works as advertised. Increased power and fuel mileage. Easy to install as per directions. Some what noisy when you put the gas pedal down. (More than I expected.)

Pittsburgh, Pennsylvina
Tuesday, May 26, 2015 - Part 63-9035
Received the part quickly.Installation was a bit confusing at times but not too bad. Lots of different screws. Once installed I was very pleased. Obvious power increase. Sounds very mean under mid to hard acceleration but not during old man driving. No drone at highway speeds. Also getting about an extra 1.2 extra mpg. I am very happy and going to buy this for my brother, this Christmas.

Mesa, Arizona
Monday, December 15, 2014 - Part 63-9035
Easy to install. Truck sound is a lot better when you put your foot in it. Not sure on the mileage gain yet. Haven't had it installed long enough. Would recommend.