K&N Dyno Results: +16.40 Horsepower Increase
Fits The Following Models: 2008-2010 Ford Super Duty F250/F350/F450/F550 6.4L V8
50-State Legal: This air filter meets the California Air Resource Board (CARB) regulations, making this modification street legal and ensures it is allowed for emissions testing. The CARB # is D-269-37.
Installation Note: Included in this kit are detailed instructions for a relatively quick and easy installation (takes approximately an hour using standard tools).
Free Custom Retune Program: While K&N's Cold Air Intake doesn't require custom tuning, its performance is greatly enhanced with one of our 5-Star Custom Tunes which will also qualify you for our Lifetime Tunes Program where you can receive free retunes for the life of your truck on products that you purchase from Stage 3 Motorsports! Check out our Lifetime Tunes Program page or call 1-877-578-2433 for more information.