Reviewed By Frederick B (Toledo, OH) Reviewed for a 2012 GMC Sierra —3/4/2015 8:37 PM
GREAT PRODUCT SOUNDS GREAT I HAVE BOUGHT THE PRODUCT LINE BEFOR AND HAVE HAD GREAT SESCESS WITH THE PRODUCT LINE BEFORE.
Reviewed By Michael G (Bennington, VT) Reviewed for a 2012 GMC Sierra —7/10/2014 4:43 AM
This system is perfect for me. Loud when you get on it, but quiet while cruising down the road. There is absolutely no drone in the cab. I have noticed that my gas mileage has increased by about 1mpg since I have bought it, not that I bought it for that reason.