Thought it would give better gas mileage, but really haven't seen it. Easy to follow directions and updates installed. It may growl a little more, but I also installed a k&n air filter at the same time and it was supposed to be a boost and still haven't seen any boost with either! So maybe if your foot is always in the gas it may save some, but the Tundra 6 speed is a shift monster and I did notice shifting differences but no change in my.
Great product and ease of use
Great product and easy to use. Just make sure you read the card accompanying the product regarding aftermarket electronic accessories installed on your vehicle (remote starter, amp, stereo, etc). Tech support from Hypertech very helpful and friendly. Excellent experience all around.
gmc truck transformer
I use to like my truck now I love my truck because of you.it smokes the tires taking off and barks them in 2/3/&4 in my 8 speed automantic trans/ it use to cut off at a 100mph now I have had it to 130mph and had to let off because of a curve/ when I get it on a straight road I will let you now how fast it will run