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What 4" aftermarket exhaust will fit?

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Old Jun 27, 2012 | 08:07 PM
  #21  
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Originally Posted by Johnmaster
Clearance is tight at the spare tire area, 2500's have taller frames and more room in that area. If it has welded hangers be prepared to have to cut them all off and make all your own new hangers. Let er rip! Post up some pics once it's on.
Have you made it work? I'm ditching the spare at this time. It won't even work with the big brakes on there so no sense to have it under there.
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Old Jun 29, 2012 | 02:22 PM
  #22  
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I have a 4" diesel truck exhaust under mine, but it came with clamps that have the hangers welded to the clamps. I threw out most of them, modified 2 and made one of my own. If you get a kit with the hangers welded on you will have to cut-off/heat/bend the hangers since the 2500's hangers seem to be in slightly different locations.

I love the sound, quiet enough not to **** the neighbors off or get the copsworked up but still has a nice growl to it.
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Old Jul 6, 2012 | 10:20 PM
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I bought the magnaflow exhaust. I've got it halfway hung up in there. It's going to workout really good. Just have a few questions. I have a 4" cutout and a 4" flex joint laying here. I'm wondering if I should install them or skip it? I have a 4" v-band up front welded on my KB downpipe and the front pipe of the magnaflow exhaust. The bad thing about the flex joint is that it pretty much is a 3" ID from all the weaving of metal. Not for sure if that's good. I guess I could weld it after the cutout but that would be a ways downstream. What do you guys think?
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Old Jul 7, 2012 | 02:04 PM
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Got it spot welded and taking it over to my buddy to tig weld.
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Old Jul 7, 2012 | 03:23 PM
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Which magnaflow kit did you get and what mods did you have to make?
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Old Jul 7, 2012 | 04:19 PM
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Originally Posted by Ferocity02
Which magnaflow kit did you get and what mods did you have to make?
I think I mentioned the number in this thread.
I got a down pipe back kit for a 06 crewcab truck. I cut the front pipe bend off and welded a v-band on it. Used the pipes and made it back to the muffler. Just had to cut the hangers off and relocate them.
The pipe over the axle was fine but at the end of the bend I hacked off about
5 or 6 inches of it. One section of pipe I didn't even use. Pretty much all the hangers need to be relocated other then that it fits pretty good. It exits at the bumper but could go out the side but with my truck lowered the tailpipe is always in the way then.
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Old Jul 9, 2012 | 01:17 PM
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Originally Posted by scooter k
I think I mentioned the number in this thread.
I got a down pipe back kit for a 06 crewcab truck. I cut the front pipe bend off and welded a v-band on it. Used the pipes and made it back to the muffler. Just had to cut the hangers off and relocate them.
The pipe over the axle was fine but at the end of the bend I hacked off about
5 or 6 inches of it. One section of pipe I didn't even use. Pretty much all the hangers need to be relocated other then that it fits pretty good. It exits at the bumper but could go out the side but with my truck lowered the tailpipe is always in the way then.
So did it make it over the trans crossmember without fuss? Do you have any pics? I'm curious what kind of bends would be needed (if any) to get from the downpipe past the crossmember.
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Old Jul 9, 2012 | 05:46 PM
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In for pics and sound clip...

I found a site with cheap 4" exhaust both aluminized and stainless


http://madjacksynthetics.com/gm-dura...ms/cat_28.html
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Old Jul 9, 2012 | 08:25 PM
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Good find, that diamond eye system is a steal!
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Old Jul 10, 2012 | 02:11 AM
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would that dimoand eye bolt up to a stock ypipe on a 04 sierra? Would it be overkill for a LQ9 w/ mids and mp112 LS6 Cam, BB tune?
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