Reviewed By Cynthia T (CLARKSVILLE, TN) Reviewed for a 2010 GMC Sierra —1/4/2015 8:35 PM
Very easy to install. Great product!
Reviewed By Harry B (Cupertino, CA) Reviewed for a 2010 GMC Sierra —8/28/2014 12:42 PM
I just installed it today. Already noticed increase in hp and waiting for increase in mpg. Straight-forward to install. Easy to lay out. Directions were very clear and well done.