The Powr-Flo spacers' bore is designed to increase the velocity of the air flow into the intake manifold. By delivering the air with more velocity it allows more air into the combustion chamber for a denser air charge. The design results in improved throttle response and impressive power gains in the mid range and top end.
Vortice throttle-body spacers are designed to provide additional performance with your factory or Volant?s Cool Air Intake system. Manufactured from glass-filled Nylon composite, the Vortice spacers are incredibly strong, yet lightweight and install behind your vehicle?s throttle body to promote quicker throttle response and in most applications, provide a slight improvement in fuel efficiency.