if heard about them but never seen them done or anything. wondering if they are worth looking and getting into. i have a 6.0 2500hd so i like the fact that it frees up some mpg but not sure how it would hold up if i went off roading or something (i dont off road alot but sometimes you just cant help it)

 

05-06 silverado electric fans and a blackbear e-fan harness. But you have to get a tune for them to work. I personally love mine. AC stays cooler in the summer and the truck runs cooler as well

 

how much am i looking at with this project? and what is expected with hp and mpg gains? i am still a little skeptical with this project, i havnt seen many of them

 

I got my fans for 100 an the harness is 110 or so, then the tune is like 200-250 or so.