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Ford Powerstroke 03-07 6.0L Discussion of 6.0 Liter Ford Powerstroke Turbo Diesels

stock downpie size,

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Old 01-25-2012, 11:17 AM
99stackedpowerstroke's Avatar
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Default stock downpie size,
I'm about to put exhaust on a truck for a friend, but he's wanting to leave stock dowmpipe, so he ordered a cat back exhaust, and my question is, what's the stock size at the cat?
 
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Old 01-25-2012, 01:50 PM
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should be 3 1/2 inch. pretty sure Ford used a 3'' downpipe then the rest of the exhaust was 3 1/2
 
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