Stock Pipes on 04 hemi - Hemi Truck Club
 
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Old 04-13-2010, 12:41 PM   #1
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Stock Pipes on 04 hemi

What size is the stock exhaust pipe on the 04 hemi's? I was thinking it was 2.5" but i'm not sure.... Also the "thing" on each pipe coming directly from the manifold is a resonator or a cat? There is a cat for sure in the exhaust but thats after the Y..

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Old 04-13-2010, 01:07 PM   #2
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Stock Pipes on 04 hemi

the pipe is 2 1/2 and the 2 cats are after the manifold, then the y then the muffler and last the resonator.
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Old 04-13-2010, 01:25 PM   #3
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Stock Pipes on 04 hemi

The last resonator is gone. But if what your saying is true then on my truck there are THREE Cats... One on either side of Y and one in line... Can't we just... Do away with all those restrictions lol
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Old 04-13-2010, 02:29 PM   #4
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Stock Pipes on 04 hemi

After the manifolds are the cats, with sensors before and after, then the Y pipe, then the muffler is just before the rear axle and if it is still there, a resonator after the rear axle, just before the end.
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Old 04-13-2010, 03:48 PM   #5
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Stock Pipes on 04 hemi

Manifold, cats, "Y", muffler, pipe is the way I remember mine....with the addition of electric cutouts after the cats.
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Old 04-13-2010, 07:16 PM   #6
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Stock Pipes on 04 hemi

strange, mine was dual 2.25 to single 2.75
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Old 04-13-2010, 09:23 PM   #7
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Stock Pipes on 04 hemi

Well mine is special or something.. lol I got another cat under mine... I'll get some pictures tomorrow its too late and there are boogers outside that will get me if I go now and take them..
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Old 04-14-2010, 05:40 AM   #8
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Stock Pipes on 04 hemi

Quote:
quote:Originally posted by sppb:
strange, mine was dual 2.25 to single 2.75

Mine was manifolds, cats, y pipe into a muffler and out to a resonator to the exit. I still have it on a shelf out in the shop from muffler back.
And when I put the cutouts in after the cats and a DI/DO muffler they were all 2.25" parts.
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Old 04-15-2010, 07:53 AM   #9
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Stock Pipes on 04 hemi

Quote:
quote:Originally posted by sppb:
strange, mine was dual 2.25 to single 2.75
yup in that club as well. till I did away with the old set up. Still running stock manifolds-cats...thats it. all different and 2.5 from there on.

Wierd how things change so much between trucks.
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