Originally posted by killerformula
power band on the stealth starts at idle, the performer RPM doesn't advertise power until 1500 RPM and later-
I bet the RPM will make the same bottom end and top end as the Stealth. Some single plane intakes will make the same bottom end as an RPM. A lot has to do with your engine combo. The 1,500 to 6,500 is just a loose guidline.