The spacer utilizes it's unique, patented Helix Bore. Airaid part number 300-574. Product Style AIRAID PowerAid. The spinning air action boosts the velocity of the incoming air and contributes to. Mounting Hardware Included Yes.
This was so easy to install,and looks good to.I also added a cold air intake with it so It sounds grate. I am not sure if it helped the mpas but it feels stronger.