Your path is the right path with new Trail Blazer Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. Function and style both are benefits of Trail Blazer Throttle Body Spacers. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Create a new feel to your Chevy with Trail Blazer Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.