I have a 2002 chevy model silverado, I was wondering witch will be best for my

[Flako]

truck, a tune or a superchip? My friend told me to tune my truck and that I was cheaper, but another friend told me to buy the superchip because he says its better but it cost double what the other thing is goona cost me.... so I need some more suggestions from other ppl to decide witch is best....

 

[cjet427]

I've seen a chip called Power Pup used on TV car shows. I know that Superchip works, but you should look at any other options.