4 vs 5 inch turbo back exhaust - Ford Powerstroke Diesel Forum

#1 (permalink)

03-09-2012, 04:07 PM

Capt dong

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4 vs 5 inch turbo back exhaust

of course the 5 inch allows for more flow. Is there any other reason why I should pick one over the other? Looking to get a turbo back system.

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#2 (permalink)

03-09-2012, 07:05 PM

08stroker250 08stroker250 is offline

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Without replacing the downpipe, it doesn't really matter. 4" is plenty either way, but the restriction is in your downpipe.

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