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5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

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  #1  
Old 05-31-2012, 08:48 PM
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Default 5" EXHAUST

will 5 inch exhaust hurt the performance of a stock truck? i am getting ready to ditch the stock exhaust. i like the sound of the 5inch but i dont want to lose power. my truck is stock with nothing done to it. my plan is too do exhaust, turn up timing, bigger fuel plate then put a valve body and torque converter in the truck for now. i want to get a good exhaust but i dont want to lose power.
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  #2  
Old 05-31-2012, 08:56 PM
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4" is plenty of flow......5 is simply the WOW factor.............it wont hurt yer performance at all, a diesel like no backpressure at all

Whit's Sig:"Enjoy the day. Take what you want and leave the rest...."
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  #3  
Old 05-31-2012, 08:56 PM
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I have an 03 but exhaust was the first thing i did (5" straight pipe) and other than not being able to keep my foot off the pedal it didnt really affect much performance wise.
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  #4  
Old 05-31-2012, 09:28 PM
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Cordova2014
   
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What I've gots in my sig. Love it, no it doesn't drone on the highway, and no it doesn't affect low end tourqe, at all. Don't let anyone tell you otherwise

Cordova2013-12 Valve's Sig:1995 Ram 3500 made in 07/1994 NV4500 Reg. Cab 2WD. Barels fully turned, shaved stock plate into 100, FF, Adjustable boost elbow. 4" downpipe 5" straight 6'' tip AFC tune, BHAF, silencer ring M.I.A. AFC foot shaved, diaphragm washers swapped, smoke screw turned in some.
1998 Ram 1500 Reg cab SWB 4X4. 12 inch suspension lift, 3 inch body, sittin on 40's.
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  #5  
Old 06-01-2012, 03:31 PM
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Ok then 5" it is. Haha
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  #6  
Old 06-01-2012, 04:40 PM
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Cordova2014
   
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What brand and system are you going to get? I got one from ebay that came with a free 6" tip. Diamond eye, aluminized. Theres one with free shipping and one with $45 shipping. If you go that route, pay the extra $45 and get the free tip, haha.
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  #7  
Old 06-01-2012, 06:16 PM
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$279 shipped at rollinsmokediesel.com

Mikeh1725's Sig:2004 F250 Lariat, cat/muffler delete, CCV reroute, egr delete, Blue Spring, 6.4 Banjo Bolts, ELC coolant.
Awaiting: studs, custom tunes, 58v FICM
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  #8  
Old 06-01-2012, 06:36 PM
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Cordova2014
   
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5" turbo back aluminized straight pipe? $279?
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  #9  
Old 06-01-2012, 08:24 PM
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I lied, $289 but if you use the discount code you get a better price.

http://www.rollinsmokediesel.com/pd-...ler-delete.cfm
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  #10  
Old 06-02-2012, 12:29 AM
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I was going to go with diamond but he had to order it and it would be here until Wednesday so i bought the mbrp because he had it in stock.
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