okay well i was shuffling around cardomain.com and i found some guy (
http://www.cardomain.com/ride/2655489)that has 275hp with these mods
"Performance:
-3.8l V6 275hp
-Royal Purple synthetic oil
-Bomz Racing CAI
-MSD 8.5 mm Spark plug wires
-NGK Iridium spark plugs
-DynoMax Catback exhaust
-Juice Box chip
-Type R voltage stabalizer"
and i laughed for a good 15 seconds, becasue hes basically saying hes getting like a +75hp gain from just an exhaust system, a CAI, and whatever a Juice Box Chip is.
and if that "Juice Box Chip" is what is giveing him +65hp, I gotta get me one of those! haha.
I also commented him asking to explain himself to me, d!ck move, i know, but i had to do it.
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2.5" H-pipe w/ super40's. K&N CAI.

"only mustang can make it happen, these aren't just words, its a fact"- Carrol Shelby