K&N Dyno Results (1999 Ford F150 5.4L): +13.12 horsepower & 15.1 lb./ft. of torque increase.
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.
Warranty Information: K&N backs this Cold Air Intake with their "Million Mile Limited Warranty".