tuning

Hey guys, I just picked up a 2011 Sierra Denali AWD with the 6.2, all stock. Im looking to do the basic performance upgrades (filter, tuner and exhaust). Any recommendations on what plug in tuners I should take a look at? Thanks

I'm buying a 2003 GMC Sonoma off one of my brother's and I was wondering what upgrades I can do to her to improve her power and mpg? I've been looking at cold air intakes and I'm wondering what the difference in makes are as far as short, long, straighter, curvy, and what kind anyone may...

Any suggestions or thoughts on upgrades to performance on an 08 Sierra. 5.3 V8? Vehicle currently has headers, exhaust, intake and a re-programmed chip. Was curious about a supercharger and throttle body. I've been warned by some that the bang for the buck may not be there for the throttle...