Have fun with Vibe Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. You can't miss with Vibe Throttle Body Spacers. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Vibe Throttle Body Spacers are high quality. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.