Lol. I dont have near the money to get the gears i have installed let alone boost
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Travis,
I have had so many different combinations over the past 9-yrs I can offer a little input to you.
If I'm reading right you have an 05 GT with the 5R55S tranny ???
If that's correct I can tell you that changing to Ford Racing (American Muscle) Gears will make a huge difference.
But .............
With the change of those rear-end gears you also would be well advised to get a new custom Billet Circle-D Converter with a little higher stall rate than stock.
If this is a car you drive all the time don't go crazy buddy on that stall speed.
The higher the stall speed the Hotter your likely to add to the overall transmission internal heat.
And Heat ruins transmissions !!!
Also speaking of rear-end-gears according to what you have right now ???
You might want to also consider going with Ford Racing 3:73 gears.
I have ran both and changed back and forth over the years.
Just so you know there is not a huge difference in MPG between the 3:73 gears & 4:10 gears if you don't drive really fast.
Meaning, if you stay around 70 MPH on the interstate using the cruise there's not much difference.
However if you drive at 80-85 MPH I would say don't go with the 4:10 gears .........
From reading your posts it reads like you are having fun and enjoying your Mustang.
That my friend is really the important thing.
There is always someone that's faster ............
Terry