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Old 09-24-2009, 07:56 AM   #1
evanjf
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Default What is that box type thing thats on the exhaust closest to the tail pipe?

I was wondering is this the resonator? its not the cat i know that for sure its closer to the tail pipe the cat is up more towards the front. If i removed this i should get a louder sound right? Because i'm almost positive that its a resonator or something, i'm working on getting a good sound out of my 08 2.5i hatch, and i wanted to know if i removed that resonator and put a piece of pipe in its place would there be any difference?
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Old 09-24-2009, 08:01 AM   #2
brandonswrx
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You aren't talking about the muffler are you?
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Old 09-24-2009, 08:15 AM   #3
eatus ravenous
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WOW !
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Old 09-24-2009, 08:16 AM   #4
Howl
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There are a number of cats along the exhaust system.

I not sure what model or year car you have but it is probably similar to this:

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Old 09-24-2009, 08:42 AM   #5
Jack
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His car is NA but the diagram shows that indeed, it's the muffler. You could unbolt it and see how it sounds. Or ask your neighbors down the street how it sounds as they'll hear it from 1/2 a mile away.
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Old 09-24-2009, 07:23 PM   #6
evanjf
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Default this is NOT the muffler

i know what the muffler is i got it taken off at a muffler shop and i have it in my garage, this piece is the piece back from the muffler, that looks as though its the resonator, if i cut that out and put a straight pipe in its place will that make it a lot louder?
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Old 09-24-2009, 07:58 PM   #7
au82
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what is your vehicle exactly?

probably is the resonator, if you have an NA it will be quite loud without it.
the NAs don't usually sound good with no muffler, no resonator is probably worse.

'07 2.5i

Last edited by au82; 09-24-2009 at 08:20 PM.
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Old 09-24-2009, 08:02 PM   #8
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even that ant knew this is rice... stay away indeed.
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Old 09-24-2009, 08:40 PM   #9
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Quote:
Originally Posted by evanjf View Post
I was wondering is this the resonator? its not the cat i know that for sure its closer to the tail pipe the cat is up more towards the front. If i removed this i should get a louder sound right? Because i'm almost positive that its a resonator or something, i'm working on getting a good sound out of my 08 2.5i hatch, and i wanted to know if i removed that resonator and put a piece of pipe in its place would there be any difference?
Quote:
Originally Posted by Jack ffr1846 View Post
His car is NA but the diagram shows that indeed, it's the muffler. You could unbolt it and see how it sounds. Or ask your neighbors down the street how it sounds as they'll hear it from 1/2 a mile away.

Fill out your profile so we can better answer your questions. We dont know EXACTLY what your car is.
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Old 09-24-2009, 08:59 PM   #10
dc_adio28
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Quote:
Originally Posted by au82 View Post
what is your vehicle exactly?

probably is the resonator, if you have an NA it will be quite loud without it.
the NAs don't usually sound good with no muffler, no resonator is probably worse.

'07 2.5i
YouTube - 2007 Subaru Impreza 2.5i Straight Pipe Exhaust

I was hypnotized by the bug crawling around the ground after the car took off.
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Old 09-25-2009, 04:13 PM   #11
evanjf
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hey i filled it out, just to let you know its a 08 2.5i nonturbo
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Old 09-25-2009, 04:16 PM   #12
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Resonator. The cats are further up the exhaust.
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Old 09-25-2009, 04:28 PM   #13
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If its just slightly bigger than the rest of the tubing its the resonator. Yes it helps to quit down your exhaust.
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Old 09-25-2009, 04:32 PM   #14
evanjf
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so if i cut that resonator out and put a straight pipe in its place, would it hurt my car? like it wouldn't trigger a CEL or something completely stupid would it?
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Old 09-25-2009, 04:40 PM   #15
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wouldn't do anything to it at all, or it wouldn't on a wrx at least.

Whats your purpose of doing this? Do you want your car to sound more aggressive? If so this probably isn't the way to do it. It will most likely make it a bit louder, and raspier.

If you want an aggressive sounding suby, then just get a catback
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Old 09-25-2009, 04:45 PM   #16
evanjf
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well i m on a budget, and to be honest put a cherry bomb on it, and surprisingly its still not loud, like its audible now, but i want it to sound a little ricer.
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Old 09-25-2009, 04:54 PM   #17
tabrad
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Dont know what you mean by cherry bomb, but a cheap catback isn't that much more than taking it in to get the resonator chopped off
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Old 09-25-2009, 05:38 PM   #18
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ricer or nicer? lol. if you want to get more sound you're going to have to get rid of the 1.25" factory pipes and huge mufflers FYI. go to an exhaust shop and have them hack off from the res back and just do straight pipes w/ some tips or something
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Old 09-25-2009, 06:54 PM   #19
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Quote:
Originally Posted by tabrad View Post
Dont know what you mean by cherry bomb, but a cheap catback isn't that much more than taking it in to get the resonator chopped off
Cherry Bomb is a type of nasty raspy "muffler" muscle cars guys used to use. You'll find it popular with the domestic mullet-militia.
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Old 09-25-2009, 07:02 PM   #20
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Quote:
Originally Posted by evanjf View Post
so if i cut that resonator out and put a straight pipe in its place, would it hurt my car? like it wouldn't trigger a CEL or something completely stupid would it?
God please don't. It will sound terrible.
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Old 09-25-2009, 07:07 PM   #21
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To answer the question, no it won't hurt your car.
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Old 09-25-2009, 07:21 PM   #22
vinxH
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are you sure you want to do that? i don't know how strict the exhaust laws are in your location but wouldn't you want to keep a perfect OEM exhaust in your garage just in case?
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