Leave the competition in the dust with upgraded GTO Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. GTO Throttle Body Spacers add classic style. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Set your car apart with GTO Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.