UFO Stack 4412S ( base not included ) 11-7/16:275.00 that means our float levels

that means our float levels need to be higher ( especially on E-85) to make sure we don't have the mid corner hesitation

Besides making power

Simply run a thin bead of silicone around the bottom side of the stack and press it into your air cleaner base

The tube can easily be cut or modified to fit as needed

Air Cleaner Lid

UFO Stack 4412S ( base not included ) 11-7/16:275.00 that means our float levelsOur most extraterrestrial velocity stack version to date. The UFO stack allows you to have all the benefits of our original stack, without the use of a top filter! And no more rivet holes! Simply run a thin bead of silicone around the bottom side of the stack and press it into your air cleaner base. Once it sets, youre ready to go! The centers of the stack are also removable, so if you have multiple cars, you will be able to interchange center