Hey yall my name is Andrew. I recently bought my first GM and it's a
GMC 3500 1 ton drw LBZ
I transport RV's and other trailers for a living. I bought the truck in February with 19k miles on it and now I have over 60k, I'm really happy with the truck considering I am a MOPAR guy. Now am at the point I'm ready to start getting more fuel economy out of the truck. the typical suspects are tunners programmers intakes exhaust and other thigns of the like. My question is what is the most and safest bang for the buck?
Thanks
Andrew

welcome and congrats on your truck. go to fourth generatin electronics by scrolling down and you can read what guys have done to their trucks and what works. also their is a dually section if your truck is a dually.