Hello everyone. I'm a proud owner of a 2001 Sierra C3, 6.0 AWD. Just wondering if anyone could give me some advice on some quick tricks to this motor or just some good advice.

I've got Borla exhaust, AEM CAI, Hypertech Programmer, AirRaid Throttle Body Spacer.

Put the tune back to stock and sell the tuner. Afterwards get a live tune from a reputable tuner. A cold air intake, a mild cam and a good tune will make the 6.0L a screamer.