UFO Stack 4412S ( base not included ) 12-1/8:275.00 Please measure the ID of

Please measure the ID of your air filter to determine which stack you will need

wile also preventing the fuel slosh that comes with those increased levels

the rate at which the engine can relieve the constant pressure slows down

What is a Velocity stack

is a bolt on enhancement that fastens to your air cleaner base and is able to produce low end torque and faster throttle response

UFO Stack 4412S ( base not included ) 12-1/8:275.00 Please measure the ID ofOur 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