I have a 2001 GMC Sierra 1500 SLE. I was wondering what would be the best...

[Justin C]

...performance chip to add horsepower? I want it to be for a resonable price. Also on my truck i have a k&n filter and intake and a flowmaster exhaust system. Thanks

 

[Molson02536]

...performance chip to add horsepower? I want it to be for a resonable price. Also on my truck i have a k&n filter and intake and a flowmaster exhaust system. Thanks

Contact http://www.pcmforless.com/ to tune your PCM on your Sierra. Give them a call and they would be more then happy to answer any questions you may have.

Good luck and keep us posted.