Capitalize on our selection of Cavalier 2DR. Throttle Body Spacers increase the gap between your air intake and engine block. Make it your own with Cavalier 2DR. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Do it at home using our Cavalier 2DR. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.