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63 Series Aircharger Kits > Performance Intake Kit

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63-9031-1
 
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The K&N AirCharger 63-9031-1 air intake system replaces 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 factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. The 63-9031-1 air intake comes with a chrome topped K&N high-flow air filter and a heat shield that mounts onto the inner fender. 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 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 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
Available Information
Installation Instruction Sheet
63-9031-1 Vehicle Applications
Dyno Chart - 2008 Toyota Tundra 5.7L - 13.05HP Increase
Video Installation Video
News Story - 2007 to 2011 Toyota Tundra Finds 13 Extra HP With K&N Air Intake Performance Add-On


Part 63-9031-1 Product Specifications
Product Style: 63 Series Aircharger Kits
Estimated Horsepower Gain: 13.05 HP @ 5282 RPM
Replacement Filter: RF-1042
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 6.5 in (165 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 5
Clamp Material: Stainless Steel
Clamp Style: Regular
Couplers Included: 3
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Intake Pipe Color / Finish: Black
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
Air Filter Large End Diameter: 7.5 in (191 mm)
California Restricted: Not legal for sale or use in California
Weight: 14.2 lb (6.4 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 63-9031-1

Increased HP and .5 to 1 mpg increase. One indirect problem. The air box on the Tundra sits on top of the main wiring harness. The K&N intake opens the space and makes for a nice nesting area for squirrels. Wire insulation is made with peanut and vegetable oils to prevent cracking, creating a magnet for squirrels, rats and mice. I had my 2011 Tundra 1 month before having it towed to Toyota. Wiring harness replacement was $5300.00. Solution is a pepper embedded electrical tape sold by Honda. I have all wires wrapped and no squirrel problem since.
Terry Boyer, Fairview, Texas
Works GREAT for my 2014 Toyota Tundra 4.6L.
Ronnie Wilson, Haslet, Texas
Always wanted a genuine K&N air intake and when I got on line they had one for my new Toyota Tundra. The price was great and free shipping....What else could you ask for....Now I've got the best under my hood!
Ned Braun, Whitehall,Ohio