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Old 08-15-2009, 06:33 PM   #1 (permalink)
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exhaust muffler - installing which direction ?

Hi from Germany,

a question to the specialists:
I have a 4" Diamond Eye Exhaust.
Which is the correct installing direction of the muffler ?
Inside there a small dents, like this:

Is it more louder, when I install it like this:

emissions --> muffler `````````` --> outside

or

emissions --> muffler --> outside

What would be better ?
More hp, better EGT ?

Thank you,
Oliver
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Old 08-15-2009, 06:50 PM   #2 (permalink)
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I have a glasspack which has the same interior I believe. i installed it in a way with the least resistance and turbulence so:

emissions --> muffler `````````` --> outside


I think...
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Old 08-16-2009, 06:49 AM   #3 (permalink)
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Do you mean, is there is big difference between the 2 kinds
of installing ??

-sound ?
-EGT ?
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Old 08-18-2009, 03:47 AM   #4 (permalink)
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Guys, no idea ?
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Old 08-18-2009, 05:44 AM   #5 (permalink)
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sorry about the slow reply, I lost the link to this thread, anyway it will not affect EGTs very much its more for sound it wont even affect flow very much either. if one way to test it would be to just clamp on the muffler in both directions and drive around each time inorder to find the sound you like, then weld it on after youve found what youre looking for.
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Old 08-18-2009, 06:35 AM   #6 (permalink)
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Quote:
Originally Posted by Taquache View Post
sorry about the slow reply,

* no problem.. :-)

if one way to test it would be to just clamp on the muffler in both directions and drive around each time inorder to find the sound you like, then weld it on after youve found what youre looking for.

* I've done it. But I don't see a big difference :-)




Thank you........
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Old 08-18-2009, 08:27 AM   #7 (permalink)
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yes, it only changes the sound. no real performance gain or loss.
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Old 08-18-2009, 03:43 PM   #8 (permalink)
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Now, I have installed the muffler in this way:

emissions --> muffler `````````` --> outside

And I think, it's more quiet.
Do you have the same experience ??
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Old 08-18-2009, 03:48 PM   #9 (permalink)
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I didnt try my different ways I just put it on for the least restrictive flow and called it good
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Old 08-18-2009, 04:02 PM   #10 (permalink)
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It's definitley more quiet the way you installed, it was the same way with my 5 inch turbo back exhaust
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Old 08-18-2009, 04:02 PM   #11 (permalink)
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Quote:
Originally Posted by Taquache View Post
I just put it on for the least restrictive flow and called it good
I think, that is the best too...
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Old 08-18-2009, 04:05 PM   #12 (permalink)
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Quote:
Originally Posted by Gator-Bait View Post
It's definitley more quiet the way you installed, it was the same way with my 5 inch turbo back exhaust
You mean this way:
emissions --> muffler `````````` --> outside

Although the flow has a easier way to come out ?
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Last edited by MrTurbodiesel; 08-18-2009 at 04:13 PM.
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