I dont think its a major issue unless the car is under excessive load for an extended period of time, but i'd be happy seeing my temps sit comfortably at 180 throughout the driving cycle.
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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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