5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

New exhaust?

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Old Feb 26, 2011 | 09:37 PM
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Default New exhaust?

So my exhaust from my muffler back just fell off and was hanging there when I got off work today. I peaked under the truck and sure enough it was rusted away. So time to get a new exhaust.

I have the truck in my sig and what I wanted to know was what I should get. I want to cut out the cat and muffler but I don't know if I want to run it straight back or run it the way the stock exhaust was. A buddy of mine ran dual straights out the back of his chevy 2500 (gas) and he said he hated it. It was waay to load for him. I understand diesels are different sounding and I don't mind some truck noise but I don't want it over bearing. I'm not sure about runing duals either. 4" or 5"?

Anyone out there that can help me decide or have some imput? Thanks!
 
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Old Feb 26, 2011 | 09:45 PM
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I'd run a 4" with a flow through muffler. MBRP Performance Series probably best bang for your buck.
 
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Old Feb 26, 2011 | 09:53 PM
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Yea I would keep a muffler if your not looking for a big sound and get duals with 5 or 6 in tips or a 5" single
 
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Old Feb 26, 2011 | 09:59 PM
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MBPR Installer series, with muffler, SINGLE 4" or 5". If you had a V engine with 2 turbos, maybe duals then, otherwise I think it looks dumb, and is impractical. But I like a clean, simple look. I painted my exhaust with BBQ paint before installing, and did a little touch up afterwards as well. The paint is lasting extremely well, and isn't flashy at all. Nice and sleak.
 
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Old Feb 26, 2011 | 10:11 PM
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I have duals and love the look. 4" MBRP, when it's time to roal coal it lays it out nice and wide...
 
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Old Feb 26, 2011 | 11:21 PM
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i bought a diamond eye straight pipe exhaust from the turbo back and i enjoy it. just put straight pipe on there and if u don't like it just simply add a muffler
 
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Old Feb 27, 2011 | 07:54 AM
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Cheaper to buy a 4" or 5" straight pipe kit on ebay, when u get it... high temp coat is black put it on. If u dont like how loud it is, its already installed so u can cut in a muffler with flex pipe
 
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Old Mar 4, 2011 | 12:03 AM
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Thanks guys! I think I'm going to run 5" and have it dump out the side where it was. I can't quite commit to running straight back and duals doesn't really strike my fancy. I could run duals out the sides but I can do that later if I want to add another. Thanks for the suggestions!

Local shop wants $10 a linear foot for 5" plus installation and labor
 
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Old Mar 4, 2011 | 12:28 AM
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4" is all you need 5" is waste of time.
 
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Old Mar 4, 2011 | 07:19 AM
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4" is all you need 5" is waste of time.


Performance wise? Yes. The bigger bore pipe does give a different tone though.
 
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