Reviewed By Peter M (Portal, ND) Reviewed for a 2016 GMC Sierra —9/3/2016 8:06 PM
Excellent ptoduct deacribtion item works very well.
Reviewed By Michael O (Roseville, CA) Reviewed for a 2007 GMC Sierra —11/2/2009 9:04 PM
I instantly felt the power increase and my truck gets better mileage around 65-70 MPH but at 75-80 MPH where I usually am it has dropped about 1-2 MPH. Still a great product in my opinion. Also very easy to install.