Single Chanber Muffler replacement for my 06 5.4L SCrew??

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Dec 14, 2008 | 12:58 AM

#16

lakemarykid

Senior Member

Joined: May 2006

Posts: 438

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From: Lake Mary, FL

Dynomax has a money back guarantee if your not happy.

-Curtis-

Dec 14, 2008 | 04:09 AM

#17

tjames

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Joined: Aug 2008

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Quote:

Originally Posted by DarrenWS6

The single chamber will be much much louder than the 40 series, almost twice as much louder.

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really? you think it will be twice as loud? you think it will still be deep and sound good?

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