Thread: 7.3L fuel mileage and exhaust
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  #15 (permalink)  
Old 12-27-2007, 04:47 PM
silverF250 silverF250 is offline
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Join Date: Nov 2007
Location: Arnold, Mo
Posts: 1,358
I have a muffler and an intake and get about the same numbers your getting. My brother gets about the same also.
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