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K&N 63-2578 5.0 out of 5 stars 2 Customer Reviews
63 Series Aircharger Kits > Performance Intake Kit

List Price: $662.86
Your Price: USD $365.99

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63-2578
 
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The K&N AirCharger 63-2578 air intake system replaces the restrictive factory air filter and air intake housing in some Ford Mustang GT models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your Mustang’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 63-2578 air intake comes with a K&N high-flow air filter and a light-weight carbon fiber heat shield lid that directs cooler air into the custom molded intake 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 using commonly available tools. 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
  • Great looking and light weight carbon fiber heat shield
  • 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 Gain20.27 HP @ 5400 RPM
Air Filter ColorRed
Air Filter Height6 in (152 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 PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedMass Air Flow Sensor Adapter Included When Required
Product Box Height14.5 in (368 mm)
Product Box Length24.1 in (612 mm)
Product Box Width15.5 in (394 mm)
Product Style63 Series Aircharger Kits
Replacement FilterRF-1048
Street Legal In All US States No
TUV Approved (Europe)No
Vacuum Tubing IncludedNo
Weight10.1 lb (4.6 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews


  Very pleased with my new K&N intake! Gave my Mustang the sound I was looking for and it looks great. Easy to install and shipping was fast. Highly recommended!!
William Gessler Harshaw, Wisconsin
  I was very impressed with the ease of ordering on the website and how fast my item was shipped. My Performance Intake Kit has added so much horsepower to my 2013 Mustang Gt and I am so happy with my purchase, I did not think it would make such a difference but it really made my car that much faster.
Dawn Galati Wyandotte, Michigan