lzn197 wrote:Those spacers add length to your intake which (in theory) is supposed to increase torque at lower RPM's. I've yet to see anyone with proof they work on newer trucks. High performance screens? Maybe we can start a business and sell them in different colors.
Back when the injectors were in the throttle body, the spacers gave more time for fuel to atomize, increasing burn efficency. Doesn't do a dang thing with todays multiport injection motors.