exhaust | Dodge Cummins Diesel Forum

March's Cummins of the Month challenge is now open for entries!

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Gorance

· Registered

Joined Jun 9, 2013

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154 Posts

Discussion Starter · #1 · Dec 1, 2014

Flow pro 4" or 5" ? Aluminium or stainless?
Going with efi and egr delete(unplug all sensors only ) dpf delete that's why the questions.
Need imput

SotallyTober57

· Registered

Joined Apr 23, 2012

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307 Posts

#2 · Dec 1, 2014

I vote 5" stainless...

drtnsnw

· Registered

Joined Apr 12, 2008

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1,671 Posts

#3 · Dec 1, 2014

all depends on your budget. 5 is better stainless is better but 4 inch alum. has served many people MANY years just fine.

Chris

Motorolanut

· ordo ab chao

Joined Jun 19, 2012

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1,128 Posts

#4 · Dec 1, 2014

5 inch TB straight SS.:thumbsup:

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