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I have 1995 Ford f250 with the 7.3L powerstroke and am wanting to put a ts performance chip in it. I have an intake and a 5 in exhaust from under the passenger seat back! And I am wanting to put a round down pipe in it, should I put a 3 our 4 inch downpipe in? At this point I don't plan to put bigger injectors in but if they would go bad I would prob put bigger ones in? What is you guys opinion?
