Reviewed By RICHARD J (Parachute, CO) Reviewed for a
—7/13/2014 9:25 PM
Big difference in power. I get 3 to 4 mpg more when using performance level.
Reviewed By Olivia c (OKTAHA, OK) Reviewed for a
—3/17/2015 8:14 PM
Best ever well worth the money my truck runs great
Reviewed By Jesse B (ROSAMOND, CA) Reviewed for a
—4/21/2015 8:51 PM
Highly recommend for super duty owners . My F-350 is a beast now!