K&N REPLACEMENT AIR FILTER TO SUIT ISUZU D-MAX TFR TFS 4JJ1TC TURBO DIESEL 3.0L I4This K&N replacement air filter is designed to increase the horsepower and acceleration while providing excellent filtration. It is washable and reusable, and is custom designed to fit into your existing factory air box. Its drop in design means adding performance is simple. With most vehicles you simply have to remove the disposable air filter and replace it with a K&N air filter. This air filter suits Isuzu D Max fitted with the 4JJ1TC turbo diesel