HELP PLZ...What to buy next? Help me SPEND MY MONEY!

[Mustang5L5]

Maybe 13" brakes so you can stop that rocketship??

 

[smokin00GT]

Please let us know what happens when you get your new tune. I am sure that the tune is the cause of your low HP numbers. You definately want to get the car running in tip top shape before you start throwing money and parts at it. Good luck!