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Do you need exhaust piping after the muffler?

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Old Dec 10, 2008 | 01:26 PM
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Default Do you need exhaust piping after the muffler?

So if you dump your exhaust after the muffler does that hurt performance/torque? Would the power band be better if you ran the exhaust tip all the way to the back/or out the side of the truck vs. just dumping it after the muffler??
 
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Old Dec 10, 2008 | 01:27 PM
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If your run more than 6-12 inches, it's not really dumped.
 
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Old Dec 10, 2008 | 01:39 PM
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In cab resonance is gonna be very loud for any dumped muffler. Piping out the side will cut that down alot! For a stock engine, there's no benefit for a dumped muffler. IMO
 
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Old Dec 10, 2008 | 02:13 PM
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Originally Posted by dirtydog
In cab resonance is gonna be very loud for any dumped muffler. Piping out the side will cut that down alot! For a stock engine, there's no benefit for a dumped muffler. IMO
ditto
 
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Old Dec 10, 2008 | 02:27 PM
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Well I'm gonna follow AIRRAM's sage advice and put in a new Y collector 2.5" to a single 3" over to a magnaflow single in/out 3 inch system.

Its going to be custom b/c their are no systems for the 08s that replace the Y. And I am trying to figure out where the exhaust should come out. I like the look of the side exits, and rear exit but only if its dual out.

I think a single tip out the rear of a truck looks goofy, b/c it looks unbalanced, maybe b/c when i was 16 everybody and their mom had duals out the back. I like the look of duals out in front of the rear tire also but am not sure what it would look like with a single out the side.

I am leaning towards single side exit before the rear tire to avoid drone in the cab but i would prefer a hidden dump near the very back, but I'm not sure it could be done without being clearly visible and causing drone in the cab.
 
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Old Dec 10, 2008 | 03:33 PM
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Flowmaster makes a nice Y for our application.....like 2.5" in and 3" out.....Jeg's has them for about $40. I did a Thrush 2 chamber with a SO in the stock location. I just had them cut off the stock tip and weld on a new chrome one. Take a look............

 
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Old Dec 10, 2008 | 08:34 PM
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EVERYBODY has duals now, and side exit isnt that special. Its kinda fun having people look at my truck when they hear a nice rumble but only see a stock looking single rear exhaust pipe (and tip). I have the thrust turbo muffler.

Im dubbing it the stealth single exhaust
 

Last edited by SmokeySportRam; Dec 10, 2008 at 08:38 PM.
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Old Dec 10, 2008 | 10:22 PM
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Originally Posted by SmokeySportRam
EVERYBODY has duals now, and side exit isnt that special. Its kinda fun having people look at my truck when they hear a nice rumble but only see a stock looking single rear exhaust pipe (and tip). I have the thrust turbo muffler.

Im dubbing it the stealth single exhaust
Im with that a 110%. the first thing people do when they hear a loud truck is look at the tailpipes. I like having the stock tail pipe with my big tip. Kinda looks like a diesel too
 
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Old Dec 10, 2008 | 10:43 PM
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what size muffler do i need to replace stock on 2008 hemi? looking at flowmaster or thrust turbo. Going to keep stock rear after muffler.
need to know offsets lengths and diameters.
thanks
pants
 

Last edited by pants; Dec 10, 2008 at 10:49 PM.
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Old Dec 11, 2008 | 12:02 PM
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I used a borla single in, dual out, and used to have dual chrome tips right next to each other, exiting at the rear of the truck. I got A LOT of compliments on that, cause not many do it.

Now I have the pipes slashcut just after the muffler (due to a **** weld job), and It sucks. When i get the means to do so, i'm gettin it redone. It all depends on your annoyance threshold. I love the sound of my exhaust... but it would've been nice to have had a little less in the cab.
 
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