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

5 Inch Exhaust

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  #1  
Old 08-12-2010, 12:02 PM
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Default 5 Inch Exhaust

Im pullin my stacks despite my better judgement and wanting to go to a five inch turbo back. I have been looking at the Farm Boys Diesel 5 inch turbo back but the details are sketchy. Most kits i see have a 4 in downpipe to five inch back. Is there anyone who makes a true five inch? anyone put a five inch on and who did they use?
 
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Old 08-12-2010, 02:31 PM
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From what I asked on here before about fbd everyone said don't buy from them, and they even got banned from this site. If your looking for a cheap 5 inch exhaust id suggest talking to luke and dieseldawgs. On there they've got budget exhaust systems and also the name brand ones. As far as a true 5 inch I'm not so sure about that. But like I said before a lot of bombers said don't buy from fbd because of part quality and etc.
 
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Old 08-12-2010, 02:42 PM
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whatcha gonna do with those aussies? a five in downpipe would be a tight fit thats for sure... keep us posted on what you find out
 
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Old 08-12-2010, 02:53 PM
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I took a look on lukes site and it looks like possibly the mbrb 5 inch is a complete 5 inch turbo back. The expandit is a 4 into 5.
 
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Old 08-12-2010, 03:33 PM
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I bought the MBRP 5 inch and its not a true 5 inch, its a 4 dp into 5 inch pipe
 
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Old 08-13-2010, 07:53 AM
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Thats all i been able to find myself. I got the four inch down but i cant find enough details on the FBD to see if the downpoipe is 4 or five. I dont wanna buy another downpipe that is the same as what i got ya know. And crzycummins im givin my stacks to my little brother. He's got a 99 and thinks he needs em now! When i get it done il post up some pics and let ya know how it went.
 
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Old 08-13-2010, 07:56 AM
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I went with MBRP Installer series 5". Came with a 4" down pipe. Install was really, really easy. You do loose your spare tire due to the size of the pipe, but since your running 33" tires it doesn't really matter.
 
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Old 08-14-2010, 03:07 PM
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id talk to luke at dieseldawgs.
 
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Old 08-15-2010, 11:18 AM
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I had trouble clearing my transmission with a 4" downpipe. I dont see how a 5" would work. Im not sure how many true 5" exhausts there are - most have a 4" downpipe I believe.

FYI, FBD is a liar and thief. He was banned for ripping people off among other things. Im sure just about any one of our sponsors can get you what your looking for.
 
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Old 08-15-2010, 09:35 PM
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my 5 inch flo pro has a 4 inch down pipe as well. on that year
 

Last edited by diesel pap; 08-15-2010 at 09:36 PM. Reason: forgot


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