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loss of power

  1. 1996 - 2004 Mustang GT
    Please help, my car is a 2002gt with a few mods ( aluminum lower, c&l upper, coils, 30# injectors, flowmasters,cold air, 4:10 gears, 100 shot, predator tune ). The problem is in 4th and 5th gear at high rpm and anything above 90mph the car has a miss or hesitation feeling and won't gain speed...
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