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Old 08-15-2006, 08:25 PM   #1
powerstrokebren
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mufflers break in?

quick question,do diesel mufflers have to ''break in'',i orderd a mangaflow,does that have to ''break in''or is it loud from the start...thanks
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Old 08-15-2006, 08:37 PM   #2
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With any fiberglass packed muffler, it will start out quiet and as the packing blows out get somewhat louder... Not much but some... If its just a chambered muffler then no, what you get is what you get...

I added a dual exhaust to the wife Expedition... The one thing she said is QUIET or is going back to stock... I had them install two glass packs, one on each tailpipe... It was quiet for the first six months but has been getting more raspy lately... I get what I want and she doesn't notice... not yet anyway...
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Old 08-15-2006, 08:37 PM   #3
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i had the magnaflow and i noticed it to not be very loud.. ive never heard of a breakin period for a muffler so i just pulled the muffler out and went strait pipe :evil: and i LOVE IT!
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Old 08-15-2006, 08:39 PM   #4
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Nope! No breakin on a Manganflow muffer.
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Old 08-15-2006, 09:24 PM   #5
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Quote:
Originally Posted by snowaholic
Nope! No breakin on a Manganflow muffer.

I have found that the tone of the Magnaflow gets a little deeper after a few months after installation.


Hammer
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Old 08-15-2006, 09:30 PM   #6
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Then I'll go with what Hammer says.
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Old 08-16-2006, 01:19 AM   #7
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Quote:
Originally Posted by TheHammer69
I have found that the tone of the Magnaflow gets a little deeper after a few months after installation.


Hammer

thats cause its clogged with soot

:93C_peelo
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Old 08-16-2006, 04:17 AM   #8
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Quote:
Originally Posted by DieselDan
thats cause its clogged with soot

:93C_peelo

:Thumbup:
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Old 08-17-2006, 12:13 AM   #9
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Quote:
Originally Posted by DieselDan
thats cause its clogged with soot

:93C_peelo
me thinks your brain is clogged with soot! :sofa

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Old 08-18-2006, 04:55 AM   #10
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Does the Magnaflow even have fiberglass. I don't think MBRP does:shrug:

They soot idea might have some merit.

I wish for something betwixt between my mbrp and straight!
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