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Old 05-25-2010, 12:11 PM   #17
HeavyD

 
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Drives: 1SSRS RY L99
Join Date: Aug 2009
Location: Ontario
Posts: 1,329
Mustang dynos show lower numbers as they simulate wind and road resistance, or something like that. Mine measured 321hp with shorties, stock tune, CAI, MBRP catback, and about 311 completely stock.
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