5" turbo back exhaust 7.3 - Ford Powerstroke Diesel Forum
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  #1  
Old 10-03-2012, 02:36 PM
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5" turbo back exhaust 7.3

I have an early 99 7.3 and i was wondering if a 5" turbo back exhaust will fit.
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Old 10-03-2012, 02:59 PM
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As long as you get the right size adapter to fit, it would work.
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Old 10-03-2012, 05:04 PM
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Quote:
Originally Posted by JohnathenB View Post
I have an early 99 7.3 and i was wondering if a 5" turbo back exhaust will fit.
The outlet from the turbo is 3", and not much more will fit from the turbo down the side of the firewall.

Most people who aren't running a stock downpipe have a 3" downpipe that goes to a 4" or 5" pipe... down the truck or up through for a stack, personal preference.
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Old 10-03-2012, 05:25 PM
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My dad's e99 powerstroke has a 4in turbo back. That 4in downpipe was a snug fit, so thats as big as will fit; you can go 5in from the downpipe back though....sure will sound good!
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Old 10-03-2012, 06:15 PM
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I decided to got with the 4" down pipe to the 5" exhaust with a black 7" tip
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Old 10-04-2012, 06:40 AM
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Your going to have a HELL of a time trying to make a 4" dp work. It can happen, but takes a LOT of work.

5" exhaust sounds great.
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Old 10-04-2012, 02:14 PM
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99 is the super duty not obs right?
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Old 10-04-2012, 04:02 PM
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yeah the 99 is the super duty.
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Old 10-04-2012, 04:03 PM
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this is my truck

Last edited by JohnathenB; 10-04-2012 at 08:46 PM.
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Old 10-04-2012, 07:32 PM
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May I ask what OBS stands for?? Old Body Style???

Sent from my junk EVO 3D using AutoGuide.Com Free App
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5" exhaust, 7.3, early 1999, f250

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