4" vs. 5" exhaust - Dodge Cummins Diesel Forum
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Old 10-10-2007, 02:59 PM   #1 (permalink)
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4" vs. 5" exhaust

Was looking at uprgading my exhaust to 4" or 5" from the turbo back, not really sure which size to go with. Was also wondering which brand to go with???I was looking into magnaflow.




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Old 10-10-2007, 03:01 PM   #2 (permalink)
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I went with Flo-Pro they semm pretty good on price and it was a dual application for my truck. Easily went on and sounds pretty decent.
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Old 10-10-2007, 03:21 PM   #3 (permalink)
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hmm... i called gus.... i love my 5".... sounds awsome... just depends really tome how loud you want it..
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Old 10-10-2007, 03:48 PM   #4 (permalink)
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I love my Silverline... Picked it up from Wickeddiesels.com It's a 4" with flow-thru muffler.

YouTube - 2006 CUMMINGS SMARTY ON SW#3
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Old 10-11-2007, 08:47 AM   #5 (permalink)
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do all the 5" exhaust have 4" downpipes?
or are there some that have 5" downpipes, will it fit?
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Old 10-11-2007, 08:52 AM   #6 (permalink)
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Originally Posted by cummins shakes it!! View Post
Was looking at uprgading my exhaust to 4" or 5" from the turbo back, not really sure which size to go with. Was also wondering which brand to go with???I was looking into magnaflow.




2006 2500 4x4 sport, short box
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I have owened 4 diffrent systems and to be honest FarmboysDiesel has a fantastic kit. Very affordable and the fit is perfect. I choose the 5" as it is not as loud as the 4". It is loud but is allot deaper in sound. I also opted for the 6" tip which adds that tone to it..
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Old 10-11-2007, 10:06 AM   #7 (permalink)
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One of the smoothest installing kits on the market. Let me know if I can answer any questions for you.
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Old 10-11-2007, 12:43 PM   #8 (permalink)
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One of the smoothest installing kits on the market. Let me know if I can answer any questions for you.
i dont see any prices or info on your page, just one pic then a list of manufactures.

info

sorry for the hijack,

oh and is there such a 5" downpipe?
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Old 10-11-2007, 01:04 PM   #9 (permalink)
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i just put on a 5 inch Turbo back MBRP and i love it, not too load but you can definatley hear the truck roar.
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Old 10-11-2007, 01:10 PM   #10 (permalink)
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i dont see any prices or info on your page, just one pic then a list of manufactures.

info

sorry for the hijack,

oh and is there such a 5" downpipe?
call him, he has such good deals that he cannot post the prices online.. others would get mad...
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Old 10-11-2007, 01:42 PM   #11 (permalink)
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Moved to the 3rd gen Performance Parts Discussion forum.
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Old 10-11-2007, 01:52 PM   #12 (permalink)
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Love my MBRP, fit is great. Maganflow is a great kit, but pretty pricey. You'll probably want to go with the 5" if your modding the truck.
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