http://www.car-sound.com/04charts.asp
Do an oil change recently? Did you warm up the cat before you took it in? Recent tune up? (plugs/wires/cap/rotor)
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget