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2009 Resonator...

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Old 01-16-2010, 10:40 AM
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2009 Resonator...
I wonder about the inside, because it's shaped like a glasspack or performance canister. Could it be straight-thru?
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Old 01-16-2010, 04:06 PM
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I don't know, but I think it would be.
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Old 01-31-2010, 11:44 AM
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You know, this is an important check, because if it's truly a straight flo-thru, you would just need to change the muffler to get an extra dose of performance.

A Hushpower might be a nice replacement, it's almost free flowing and controls resonation.
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Old 02-02-2010, 11:43 AM
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The resonator has a baffle in it, not straight. Bunch of metal plates like a rat maze. Then again, I have a sedan and the resonator might look different.

Replacing the midpipe is critical.
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Old 02-02-2010, 12:41 PM
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The sedan and hatchback exhausts are probably the same. I doubt they would spend extra R&D money just to differentiate the two.
Of course, I could be wrong.
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Old 02-02-2010, 07:18 PM
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sedan and hb are not the resonators are completley different i took my res out and replaced with a glass pack and its louder also a muffler delete
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Old 02-02-2010, 07:35 PM
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2009-10 systems should be the same for WRX. ScoobySon is your resonator glasspack like, cylindrical and straight?
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Old 02-02-2010, 08:04 PM
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Old 02-02-2010, 10:44 PM
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I have a 2.5i hatchback, and mine looks exactly the same. I don't have a picture, but aside from different piping behind it, the shape is identical.
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Old 02-03-2010, 03:04 AM
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Oh, I forgot the sedan has 2 mufflers. But is that 2009?
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Old 02-03-2010, 12:09 PM
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Yes, as what it says I drive in my avatar and garage.
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Old 02-04-2010, 02:52 PM
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WOW! So that is completely different from what I have in my wagon. Mine looks like a glasspack, I sure wanna know about the inside.
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Old 02-04-2010, 03:38 PM
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Maybe the Hatch doesnt need a crazy resonator considering your muffler is huge!
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Old 02-05-2010, 12:58 PM
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On my 2.5i, the muffler actually doesn't do very much muffling. The resonator does nearly all of it. I've taken off both just to check the sounds, and the difference is spectacular.
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Old 02-06-2010, 09:09 AM
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Originally Posted by ScoobySon
Maybe the Hatch doesnt need a crazy resonator considering your muffler is huge!
That could be true, the muffler under the rear bumper takes almost all its length.
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