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gibson short tube stainlees headers unresticted y pipe into a 3inch pipe (removed cat) 1 flow master muffler 3 inch in 3 inch out to 3inch tail pipe went from 5mpgs snow plowing to 7mpgs after all the other things i did to this motor I guess thats what it needed
Because obviously we should ignore the single largest cost driver of a truck designed for commercial use. Do you have any idea what a real 2mpg increase would do for a fleet? What kind of cash flow and cost savings that can generate of a very large number of small businesses? During the B50 life of my motor, I'll spend at roughly two and a half times the cost of the truck on fuel, so it's not a trivial concern.