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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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Muffler or no muffler?Had a dicussion with a guy last night said the 7.3 powerstroke would make more ponies with a muffler,any thoughts from the guru's.Wouldn,t help the turbo lag a touch with a muffler?Just thinking
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