Reviewed By Gary I (Haledon, NJ) Reviewed for a
—6/17/2017 1:44 PM
I can feel the difference in the power and I am getting better gas mileage.
Reviewed By Robert M (RENTON, WA)
—10/25/2015 9:34 AM
Totally pleased! Easy to install on my 07 gmc duramax lbz. Went to 18.4 mpg highway with stock exhaust.