Quote:
Originally Posted by Xan
I think the up to 550HP is actually the Stage 3, just a website mistake...
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probably a crank horsepower number.
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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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