Blk2015GT
Well-Known Member
I'll hold my doubts until the sheets are posted, but 67hp (or more if the Airraid/AFE filter raised it from stock 5hp using the 381 as the baseline), a 20% gain in overall rwhp, from just a tune and CAI is a big pill to be asked to swallow. That is unheard of in a ten years of current era GT mustangs
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