Whats involved with installing a tuner, are some models better than others. Will GM void my factory warranty?

a tuner is one of the best mods you can do to your truck as long as you don't go to extreme and blow your trans):h but they do give you better mileage (if you drive it right), more power, and more fun.

a normal hand held tuner is very easy to install all you have to do is plug it in an Press a few buttons and wate for it to download in your trucks computer.

DON'T let GM see it because they will not like it :eek: you can take it out and install your stock tune in when you go to the dealer.

by the way as many trips i have been to the dealer to get stuff done they have never looked for stuff like this, but that is my experience!!!!