K&N REPLACEMENT AIR FILTER TO SUIT TOYOTA HILUX GUN123R GUN126R GUN136R 1GD-FTV TURBO DIESEL 2.8L I4This K&N replacement air filter is designed to increase 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 Toyota vehicles fitted with 2TR FE, 1GD FTV, and