3rd Gen High Performance and Accessories (6.7L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 6.7L ONLY!

Doing the deletes..stock exhaust or 5 inch

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Old 11-15-2008, 07:05 PM
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Doing the deletes..stock exhaust or 5 inch

I am doing the deletes thursday ( can't even sleep ) and my plan is to stick with stock intake and exhaust with the edge juice with attitude. I like it quiet and I am concerned with my egt's with the smaller exhaust.
Old 11-15-2008, 07:12 PM
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What year is your truck? Starting in '05 or '06 they came stock with 4" which is enough for 500+hp. If you want it quiet then I wouldn't go with 5".
Old 11-15-2008, 09:43 PM
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Sorry, 08 with the 6.7. I am getting rid of the egr and dpf.
Old 11-16-2008, 06:32 AM
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5" doesn't make a huge difference in EGTs over 4" at the HP level your talking about. If noise is a concern go 4" w/ a strait through muffler, although 5" isn't loud, I think there's more of a drone in most cases.
Old 11-20-2008, 08:25 AM
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Today is the day ... man am I pumped.
Old 11-20-2008, 08:52 AM
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5" exhaust with no cat and no muffler is loud, nothing too loud or unbearable.

Just by doing the 5" turbo back exhaust, compared to the stock setup was a huge change. Then, when I recently added a muffler delete pipe, it changed even more.

I am very pleased with the 5" straight pipe exhaust though, it meets my sounds tastes very nicely.
Old 11-20-2008, 05:28 PM
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D45, the 6.7 sounds completely different from a 5.9. I thought mine sounded like crap with a 4" straight through system so I just put a 5.9 CAT on it to make it a bit quieter and get rid of the drone I got from the H&S 4" delete system. It worked pretty well....
Old 11-20-2008, 09:57 PM
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Now thats how it should run !!
Old 11-21-2008, 05:19 AM
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Cool Man! My truck still runs great but for some reason mine feels like it lost power after doing the deletes. I can't figure it out but since my mileage went up so much I may not worry about it....
Old 11-21-2008, 07:14 AM
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They installed an edge juice with attitude and level 2 I didn't notice any difference but on level 5 it reminded me of my 97 12 valve with the plate.
Old 11-22-2008, 09:42 AM
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What do you guys set your engine temp at on the attitude ? I set mine at 200 and it gets there on level 1 . Also does anyone find the idle when cold is erratic ?
Old 11-23-2008, 07:50 PM
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Originally Posted by HANDSOME
What do you guys set your engine temp at on the attitude ? I set mine at 200 and it gets there on level 1 . Also does anyone find the idle when cold is erratic ?
To The Top Please.
Old 11-23-2008, 09:39 PM
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5 inch it will be fine. a 6.7 has 350hp anyway and if you do some mods it will have 450 so I would be fine. 4" on a common rail is too raspy anyway it sounds goofy
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