Fitment: 1999-2003 Ford F250 & F350 7.3L Diesel V8
50-State Legal: This air filter meets the California Air Resource Board (CARB) regulations, making this modification 50-state street legal and emissions compliant. The CARB EO # is D-269-25
Warranty Information: K&N backs this Cold Air Intake with their "Million Mile Limited Warranty".