performance tuning

1995 GMC Sonoma SLS Extended Cab 3.4L V6 Throttle Body Injected Under the hood of my 1995 gmc Sonoma looks dated to say the least. My truck had the old Round air filter that you see on most older vehicles. You can find TBI CAI on ebay for about $150 but I decided to build this for cheap...

Hi, I'm new to the forum since this is my first GMC but have been a GM buyer since 16. I was wondering if anyone has tuned their 6.2l motor with a chip or other any other method that you could recommend. I looked into a supercharger but $5k+ is too much since I just bought the Denali. Any...