Reviewed By rick c (Gansevoort, NY) Reviewed for a 2001 GMC Sierra —2/29/2012 7:56 PM
works great noticable power easy to use good product
Reviewed By James B (Colorado Springs, CO) Reviewed for a 2001 GMC Sierra —2/27/2009 8:42 PM
I purchased this programmer along with a K&N FIPK Air Intake and my truck is like a rocket! Huge difference in power. I'm trying to lay off the gas so I can check my mileage, but havent't been able to yet!!!