will this work on a 5.4 F250
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will this work on a 5.4 F250
Its a summit exhaust for a diesel Part # sum-680002, If it does I will be replacing the muffler with a flowmaster deltaforce. Minor mods not a problem, Truck has a CAI only. will it lose low end? am i better off just with the muffler? what size is the stock pipe? Is a 3in exhaust system better? truck will not pull anything, daily driver, just need more grunt .
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