Thread: What r best mods for my 99 7.3?
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Old 09-05-2007, 01:08 PM
willypscustoms willypscustoms is offline
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Join Date: Dec 2006
Location: Tucson,AZ
Posts: 1,981
dp tuner chip, gauges, exhaust, intake. it all depends on how much power you want and what you want to do with your truck