Decent price depends on year, mileage, and where you live. In CA it's hard to find an 02+ with low mileage for a decent price. For 18k, you're looking at super high miles, and 00-01 model...with the plastic rear window ftl.
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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