40 Series Flowmaster

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Jul 27, 2006 | 12:23 PM

je4ford

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Joined: Jul 2006

Posts: 26

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40 Series Flowmaster

I am having a dilema. i am getting exhaust tommorrow and i cannot decide between the 40 series siso or sido. i have an 06 with the 4.6

my question is, which would sound better? what is the benefit of two instead of one? who has the same motor and what does it sound like?

any help would be appreciated.

thanks guys, jle

Jul 27, 2006 | 02:32 PM

jjg052590

Senior User

Joined: Sep 2005

Posts: 437

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From: Montgomery Alabama

I have si/do.. orginal 40 on my 5.4.. i like dual cause it looks cool, but to me, if you just got si/so all it would do is add sound, that's just my 2 cents..

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