Once you have all the bolt ons you want, the AP is great to maximize your gains, AAM sent me a canned map for my mods and the power increase was really noticeable, one guy here even gained 22ft/lbs with the Cobb. Best bang for the buck with this car for the first mod is Test Pipes/HFC's, I gained 15whp just from HFC's alone.
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2011 Mustang 5.0 | 3.55's | Lethal Performance off road H-Pipe | Magnaflow Muffler Delete | JLT CAI/Bama tuned 417whp/ 404 ft/lbs
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