Reviewed By Jamie W (Caledonia, OH) Reviewed for a
—2/24/2014 6:54 AM
before jet @ 2000 rpm = 65 mph after jet @ 2000 rpm = almost 67 mph.I noted big low end increase
Reviewed By ryan m (newberg, OR) Reviewed for a
—8/17/2015 8:59 PM
I could tell that my truck would get up and go right away and shift smooth.
Reviewed By Carlos M (DERBY, CT) Reviewed for a
—6/10/2015 8:34 AM
I bought it hoping I'd get better MPG's by using the 89 tune, I don't really see a difference in fuel consumption, but it made a HUGE difference in power! I'm loving it!