Replacement air filter for the FM air intake used on the Big Enchilada, Little Enchilada, complete intake kit and high performance intake. It was also used on our old NB turbo kits with steel tubing and the Übercharger. Naturally, you can use it for whatever you want if you're doing a custom build. Pre-oiled.
4"x6" oval, 5" long. 2.75" outlet.