3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

Cat removal=??

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Old Jan 31, 2007 | 11:53 PM
  #16  
rstone's Avatar
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From: College Station Texas
cut it all off it will not throw any codes and it sound good with it straight pipe.
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Old Feb 1, 2007 | 12:26 AM
  #17  
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From: Bryan/College Station,Tx
Gutted mine sounds good reallll good i like it alot
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Old Feb 1, 2007 | 04:03 PM
  #18  
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From: Wisconsin
I have a weird piece cut out in mine, the cats there but something else was or is missing?? I have a section of pipe about a footlong with a clamp on each end in-between the cat and muffler??
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Old Feb 1, 2007 | 11:11 PM
  #19  
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From: Western Colorado
Originally Posted by Lark
I took mine off and then put it right back on. The drone inside the cab was horrendous! It only reduces EGTs by about 50 degrees and I also didn't like the smell of the diesel once it was removed. I could tell no difference in performance.
Are you serious?
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Old Feb 2, 2007 | 12:07 AM
  #20  
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From: Krum, TX
Originally Posted by mj007
Are you serious?
I am I am.
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Old Feb 2, 2007 | 12:12 AM
  #21  
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From: Indiana
the cat fell of my 05 and 06 for offroad use only of course, no codes here
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Old Feb 2, 2007 | 01:25 AM
  #22  
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From: Western Colorado
Originally Posted by Lark
I am I am.
So what.........? You cut the cat off and let the exhaust come straight out the head pipe? I see you don't have the stock muffler though because without the cat and keeping the stock muffler there's no drone AND 50 deg. unloaded on flat ground is quite a bit AND the exhaust WILL smell like a diesel AND that cat/Magnaflow isn't helping you as much as a no-cat/stock muffler does. But hey, to each his own!
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Old Feb 2, 2007 | 09:33 AM
  #23  
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From: Krum, TX
Originally Posted by mj007
So what.........? You cut the cat off and let the exhaust come straight out the head pipe? I see you don't have the stock muffler though because without the cat and keeping the stock muffler there's no drone AND 50 deg. unloaded on flat ground is quite a bit AND the exhaust WILL smell like a diesel AND that cat/Magnaflow isn't helping you as much as a no-cat/stock muffler does. But hey, to each his own!
My point is only relevant for the new "quite" 600 engines. But feel free to argue with this guy...

http://www.dpsdirect.com/
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Old Feb 2, 2007 | 09:56 AM
  #24  
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From: Western Colorado
Originally Posted by Lark
My point is only relevant for the new "quite" 600 engines. But feel free to argue with this guy...

http://www.dpsdirect.com/
Shucks........I wasn't trying to argue just trying to understand how the the two of us could have such different impressions of the same thing. 'Course I am half-deaf and my smeller is jaded !
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Old Feb 2, 2007 | 10:36 AM
  #25  
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From: Concord, CA
I am deaf in my left ear too.
A friend lost his on his 05, pure stright exhaust, its stupid loud.
Towing at lower RPMs makes the drone so bad I wanted to ride in the trailer.
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Old Feb 2, 2007 | 02:14 PM
  #26  
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From: tennessee mountains
i took off my stock muffler and cat and put a 4" pipe w/inline bullet style muffler it does have some sound but i like it
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Old Feb 2, 2007 | 02:16 PM
  #27  
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From: tennessee mountains
i forgot to add no codes shown running 3 months
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Old Feb 3, 2007 | 01:46 AM
  #28  
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From: Indiana
the drone does get very old. I tried to put an mbrp muffler on my 5" system because I was tired of it.
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Old Feb 3, 2007 | 03:31 AM
  #29  
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From: Wisconsin
Drone is like white noise to me when im hauling long it almost puts me to sleep...lol
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