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Duramax stock exhaust on 1500 truck?

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Old Mar 11, 2007 | 08:55 PM
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Default Duramax stock exhaust on 1500 truck? PICS ADDED!

Has anyone tried it out yet?


I installed a stock Duramax system on my 04 today and it actually sounds good and fits great.All of the hangers are in the same location as my stock exhaust.
I went from a crimped 2.75 exhaust to a mandrel 3.5 for $25.
Im going to try and redyno it this next week before the converter goes in.

I didnt care much if it killed the lowend power of the 4.8 a 3k Yank should fix it.
If you want to see pictures of it I will have to take them tomorrow.

You can see in one of the rear pictures that I had to drop the hanger on the tailpipe down on the rubber mount.
I will post a idle sound clip soon.
Attached Thumbnails Duramax stock exhaust on 1500 truck?-stuff-111.jpg   Duramax stock exhaust on 1500 truck?-stuff-110.jpg   Duramax stock exhaust on 1500 truck?-stuff-107.jpg   Duramax stock exhaust on 1500 truck?-stuff-105.jpg   Duramax stock exhaust on 1500 truck?-stuff-104.jpg  


Last edited by Sam88Gta1; Mar 18, 2007 at 07:22 PM.
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Old Mar 12, 2007 | 02:22 PM
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how about a sound clip. i have been wondering about this for ever on the bigger motors... the 6.0 and 8.1 dont have a lot of choices... then when you do find one its 3" for like $600+ where as you can get 4-5-6 inche diesel stuff for about the same money.
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Old Mar 12, 2007 | 10:46 PM
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I'd like to see some pics.
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Old Mar 13, 2007 | 01:27 AM
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Me too. Pics
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Old Mar 13, 2007 | 12:18 PM
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I will take pics later and post them tonight.
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Old Mar 13, 2007 | 02:10 PM
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What about sound clips?
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Old Mar 14, 2007 | 08:26 PM
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Whats up with the pics?
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Old Mar 14, 2007 | 08:52 PM
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oo, oo, mee too. right now, I have, as you can see in the sig, just cats, no muffler, sub muffler, that dumps in front of the tire. it resonates, alot. a diesel exhaust, if it bolts right up would be great.

Right now, I am considering the resonator tipped catback from LMC truck, or a Summit special with a borla universal.
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Old Mar 15, 2007 | 09:28 AM
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I built a 4" catback for 4.8T with a 4" Dmax kit from warpspeedperformance. They are only $300 with a muffler.
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Old Mar 15, 2007 | 09:32 AM
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I have the same exhaust in excellent shape with lessd than 500 miles on it if you guys are interested
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