performance question

[onebigbad6.0]

Hey guys, im new to this site and im wanting to do some serious horsepower upgrades. Im trying to get rid of some of my audio equiptment to pay for it. I want to do some kind ofturbo and injectors and tranny. Im looking to make aroudn550 horsepower? What would you suggest.:st:

 

[pontiacross]

I assume you do have a 6.0 right?

 

[WAO Racing]

Just get some good tunes and nitrous and then you'll be in the neighborhood of your goal for alot lot less!