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Exhaust 5.7 HEMI Exhaust Discussion


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  #1  
Old 04-18-2011, 10:02 PM
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Default So what is the exact diameter ...

of my 2005 HEMI exhaust pipes off the cats?
and out the back of the stock muffler?
2.5" or 3.0" ?

I have factory single exhaust.

I'm ready to do the Magnaflow Y pipe and 18" muffler upgrade.

I't been raining buckets here and I don't wanna lay on the ground to measure just yet.
Any help?
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Last edited by Timbo114; 04-19-2011 at 12:41 AM.
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Old 04-18-2011, 10:08 PM
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I've read 3" here on the site.
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Old 04-20-2011, 12:16 PM
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my 2004 is called 2.5" acording to muffler shop they expand it to 3 " after cat and put on 3" muffler in/out with 3" tail pipe. so either stock is 2.5 or they lied hope it helps you for info.
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Old 04-22-2011, 07:34 PM
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if your just doing muffler..it's 3"si/3"so...
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Old 04-22-2011, 11:14 PM
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Default

I measured it yesterday.
2.5" after the cats, up to the collector.
3" after the Y collector, up to and after the muffler.

So I'm thinking Magnaflow 10778 Y pipe and a 3" I/O Hooker 21506HKR Aero Chamber muffler.
I wouldn't think this would drone with the factory resonator left in place, eh?



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Old 05-02-2011, 05:27 PM
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Default

I have a 2005 Ram 1500 hemi regular cab short bed. What type of muffler do I need? Center in and center out? I am a little confused, also what shape would work?
Would these mufflers work:
http://images.magnaflow.com/02product/parts/12219.jpg

http://images.magnaflow.com/02product/parts/12249.jpg

No exhaust shops around me carry magnaflow so they can't tell me what I need and I don't want to buy the wrong thing.
Thanks for your help!
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