Looking for performance improvements
Reviewed By Dave S (Browntown, WI) Reviewed for a 2000 GMC C/K 1500 —8/29/2013 11:04 AM
I have a 2000 GMC sierra with a 5.3 and thought I would give this a try. The installation is very well documented and it took about half an hour. It's a very simple concept but I haven't driven it enough to have any real honest results as to its claims of better performance.
Reviewed By Rick H (jonesborough, TN) Reviewed for a 1996 GMC C/K 1500 —2/27/2012 11:57 AM
its supposed to whistle to let u know its workin,i'm not hear any whistle at all,but it does feel like the mid range has picked up some,havent got to drive it much yet to really tell abt the fuel mileage..