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Old 06-04-2013, 04:09 AM   #1 (permalink)
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Default 2007 suzuki forenza exhaust system

Do I need the resonators on my 07 suzuki forenza
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Old 06-04-2013, 05:15 PM   #2 (permalink)
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hi welcome to the forum. i think theres two cats and one resonator? but not positive. are you looking to do a custom exhaust? without cats the car will probable throw a code. not really sure about the resonator. your exhaust will be louder because its purpose is to help quiet the exhaust. i have a custom exhaust with no resonator but i do have a cat in the system
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Old 08-04-2013, 12:38 PM   #3 (permalink)
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in 2007 it was redone to cut manuf. cost.

1 cat (pre-cat) and 2 resonators.

Technically you don't need them, but I'd think you wouldn't enjoy the sound that it would make. Unless you've got a new intake mani, exhaust mani, and some kind of low resonating muffler it's going to sound very ricey..and in my opinion -not very good.
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Old 08-26-2013, 10:32 AM   #4 (permalink)
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Default My version

Quote:
Originally Posted by kpohlenz4985 View Post
Do I need the resonators on my 07 suzuki forenza
Those actually are two inline mufflers, they have deafening material in them. Resonators don't, think hollow glass pack/cherry bomb. The pics say it all.

Here's what I did:

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Old 09-05-2013, 01:00 AM   #5 (permalink)
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Old 10-24-2013, 12:32 PM   #6 (permalink)
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not too sure about that.. every catalog and manual says resonator so I imagine that is what they are.
And its not the internal material that makes a difference in what it is, but rather the length of the pipe, and size of the 'hole' on the inside of the resonator. The mission of a resonator is to regulate back-pressure. The length and size of of certain components within the resonator dictate this pressure strength.
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Old 10-24-2013, 12:49 PM   #7 (permalink)
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Hey Nathan are you responding to tr guy above you? Lolol
A resonator is designed to help deaden sound. Its designed Iside so that sound waves bounce off the walls and cancel each other out. There's no packing inside a resonator. And their not used to regulate back pressure. They cut out rasp and help quiet pops and such. A muffler will have holes in it leading to chambers designed to reflect sound waves and packing to help absorb the sound waves. Usually a fiberglass material. A glass pack, purple meanie, cherry bomb, side pipes, don't have the chambers like a regular muffler does to reflect sound waves. They just have packing inside separated from the pipe by a screen material designed to capture some of the sound waves. That's why this type of exhaust is louder and a little more free flowing.
How's the build going Nathan?
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Old 10-24-2013, 04:38 PM   #8 (permalink)
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Hrmm, I was under the impression that a muffler (hence the word muff, as in muffled) deadens sound, while a resonator regulates backpressure (hence the word resonate). Perhaps its just a common misconception, or I simply may just be wrong.

As far as the build everything has basically grinded to a halt. My son was born and everything has basically stopped lol. I'm still planning for the spring/ may-ish to begin, as that's when I'll be finished up with school and little Junior won't be needing a diaper change every 30 minutes lol.
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Old 10-24-2013, 11:00 PM   #9 (permalink)
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OK.

I was wrong.

I did have a misconception about the resonator CHAMBER inside of some mufflers which you described above, 7even.
And I apologize for sounding shrewd in that last post, it's hard to sound sincere on the internet lol
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Old 10-25-2013, 02:17 PM   #10 (permalink)
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Hey congratulations!! Great news on both your son and graduation! You didn't sound shrewd at all don't worry about it. I'm still learning everyday even about things I think I know already lolol. Hope you'll be able to find time for the build in the spring. Be looking for updates. I'm collecting the last bits for my build now.
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