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08 engine question

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Old Dec 6, 2007 | 07:32 AM
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Default 08 engine question

While showing my car to a friend yesterday he asked me what the box connected to the left side of the air snorkel was. I didn't know. Does anyone know what it is and what it's for? I am considering getting an aftermarket CAI and I haven't seen this on any for the 08.
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Old Dec 6, 2007 | 08:07 AM
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I don't 100% know for sure, but I an reasonably certain it is a Helmholtz Resonator. And of course, my '08 also has one.

http://www.popularmechanics.com/how_...e/1888037.html
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Old Dec 6, 2007 | 08:07 AM
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Originally Posted by 2008c6
While showing my car to a friend yesterday he asked me what the box connected to the left side of the air snorkel was. I didn't know. Does anyone know what it is and what it's for? I am considering getting an aftermarket CAI and I haven't seen this on any for the 08.
It's a silencer.. to keep the air intake "roar" to a minimum
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Old Dec 6, 2007 | 08:12 AM
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As was indicated the box is a Helmholtz resonator. It is designed to cancel standing waves and reduce noise. In this application it is to reduce the common noises associated with a free flowing intake system.

Last edited by talon90; Dec 6, 2007 at 08:21 AM.
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Old Dec 6, 2007 | 08:36 AM
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I forgot the name! Thanks for reminding me. And someone just asked me; I called it "the silencer".

Now I know...
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Old Dec 6, 2007 | 08:45 AM
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Thanks guys.
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Old Dec 6, 2007 | 08:51 AM
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It's one of 4 systems to silence the engine compartment, what are the other 3?
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Old Dec 6, 2007 | 09:11 AM
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Originally Posted by MAJ Z06
It's one of 4 systems to silence the engine compartment, what are the other 3?
Two others are the additional insulation under the fuel rail covers and the addition of the skull cap on the plenum.
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Old Dec 6, 2007 | 09:17 AM
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Hood insulation.
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Old Dec 6, 2007 | 09:46 AM
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Y'all got it!
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Old Dec 6, 2007 | 10:32 AM
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Its going to look good in my trash can when I CAI...
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Old Dec 6, 2007 | 10:35 AM
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Originally Posted by redvet
I don't 100% know for sure, but I an reasonably certain it is a Helmholtz Resonator. And of course, my '08 also has one.
http://www.popularmechanics.com/how_...e/1888037.html
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Old Dec 6, 2007 | 11:21 AM
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thanks for my learning of the day
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Old Dec 6, 2007 | 11:28 AM
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Default 5th silencer...

The 5th one is my Spouse...

"SLOW DOWN "

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Old Dec 6, 2007 | 11:34 AM
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Default I know what it is

...It's the flux capacitor! But seriosuly folks what is that rectanuglar black metal box benind the windshield on the pass. side?

Desert Dog
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Old Dec 6, 2007 | 11:40 AM
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Originally Posted by DesertDog
...It's the flux capacitor! But seriosuly folks what is that rectanuglar black metal box benind the windshield on the pass. side?

Desert Dog
I think it's your Onstar.
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Old Dec 6, 2007 | 11:52 AM
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Originally Posted by DesertDog
...It's the flux capacitor! But seriosuly folks what is that rectanuglar black metal box benind the windshield on the pass. side?

Desert Dog
It's your Onstar big brother is watching you system, too bad it's not something useful like a shock sensor.
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Old Dec 6, 2007 | 12:36 PM
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so, is there any possible adverse effect from removing this part? and if it is removed will the engine sound 'better' or just louder?
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Old Dec 6, 2007 | 01:35 PM
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Originally Posted by OregonC6
so, is there any possible adverse effect from removing this part? and if it is removed will the engine sound 'better' or just louder?
The part is molded onto the air-bridge.. so it would have to be cut-off and then covered to use the stock air bridge without the silencer. Can't comment on how it would sound.. but performance will not be affected.
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