K&N 94-02 DODGE 5.9LD 57i Filtercharger Injection Performance Kit Part Number: K/N57-1525 Fits 94-02 Dodge Ram 2500 and 3500 w/ 5.9L Diesel Guaranteed Increase in Horsepower Includes a K&N High Flow Air Filter K&N Million Mile Limited Warranty Filter Housing Type: Partial Enclosure Filter Type: Oil Inlet Tube: Included K&N's 57i induction kits are easy to install, economical, and come with K&N's Million Mile Limited Warranty. They consist of a large washable/reusable K&N air filter with adapters for connection to the engine's throttle body.