speed

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...

I have a 1994 GMC Jimmy 4wd and my abs light keeps coming on after a few minutes of driving. I can shut the vehicle off and turn it back on with no abs light, but it will trip again after driving it for a few minutes. At the same time the abs light comes on, the transmission and speedo start...