A throttle body spacer is a small block of aluminum that is bolted on top of a vehicle's throttle body, that has a port or multiple ports in the center of it. Most spacers these days also have either...
ok ok first you need to unscrew the top of the intake (assuming you have the stock one) then you pull out the intake and then take off bottem then you take off the inlet hose. after doing that you...
It will add horsepower for sure , and you will feel the difference if your a good driver and know your car well . The increase depends on the engine situation and the car model too, on v8's it will...