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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Couple 6.0 questions...

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Old Mar 5, 2011 | 02:22 PM
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schlepprock250
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Couple 6.0 questions...

I'm helping a friend find an exhaust for his truck,it's an '04 F350 CC dually 6.0,I looked at a few options,and there was an option for a 3.5" downpipe or a 4" downpipe on most systems I looked at,I would think a 4" DP would be best,but I'm a 7.3 guy and I'm sure if the 3.5"DP is better for the 6.0s...Thoughts...thanks alot
 
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Old Mar 5, 2011 | 03:13 PM
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Supposedly there is no performance gain of a 4" downpipe over a 3.5". I wish I could remember where I read that but it was posted by someone from one of the exhaust companies so I took their word for it
 
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