Originally Posted by Ron1n
Your gas mileage should go up a little bit, for obvious reasons (unless you're more heavy footed than you were before). Because there is more power available to keep you where you are, you will cruise longer, and it will be easier to maintain your current level.
Here's my fuelly for the car (it's been tuned for some time now):
Nice site! I was still using an excel spreadsheet on google docs for record keeping.