Throttle body spacer
A throttle body spacer is usually a 1-inch (25 mm) thick piece of metal that is bolted to the inlet of the throttle body downstream of air flow into the manifold. By changing the airflow, this af...
The PowerAid Throttle Body Spacer by AIRAID - YouTube
Jun 18, 2009 ... How does Airaid design their Throttle Body Spacers? Cameron Evans visits the Airaid Filter Company in Phoenix, Arizona and gets inside the ...