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What does this part do?
What does this part do?
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Old 05-28-19, 02:35 PM   #1
jaswrx
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Default What does this part do?

Returning my car back to stock, and wasn't sure if I need this.

15-17 Subaru WRX STI Air Cleaner Valve 2015-2017

15-17 Subaru WRX STI Air Cleaner Valve 2015-2017 | eBay
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Old 05-28-19, 03:24 PM   #2
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Default Re: What does this part do?

sound generator
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Old 05-28-19, 03:42 PM   #3
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Default Re: What does this part do?

ok, then I don't have to install it right?

Meaning, there is not going to be some issue fitting in the OEM airbox without the sound generator.
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Old 05-29-19, 05:24 AM   #4
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Default Re: What does this part do?

If you want to get rid of the sound tube, you'll need a new hose that connects the air filter box to the air inlet tube. Like this: 2018 Subaru STI 2.5L TURBO 6MT STI Boot. Air, cleaner, element - 46013AG020 - Genuine Subaru Part

That's off a 2018 STI, but I'd guess it'd fit. I can't remember the part # I bought a couple years ago, but I did the delete as well. Lots more room for an AOS and easier access to the underside of the intercooler!
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Old 05-29-19, 09:20 AM   #5
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Default Re: What does this part do?

so are you saying that when I install things back to stock, I pretty much have to install the sound tube with inlet tube or buy another inlet b/c the inlet I have won't work?
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Old 05-29-19, 10:30 AM   #6
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Default Re: What does this part do?

Quote:
Originally Posted by jaswrx View Post
so are you saying that when I install things back to stock, I pretty much have to install the sound tube with inlet tube or buy another inlet b/c the inlet I have won't work?
You don't need to replace the actual turbo inlet, just the hose that the sound maker is hooked up to which connects the air filter box to the turbo inlet. There's also a cap from mishimoto you can use that just plugs the stock hose where the sound maker connects.
Subaru Sound Generator Delete Kit
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Old 05-29-19, 05:28 PM   #7
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Default Re: What does this part do?

ok. the cap might be the way to go.

BUT I suppose I could just leave it all as it came stock, that way I don't have to spend any money, using the OEM parts

AND just don't put the hose/pipe through the hole in the firewall. Let it rest against something in the bay or against the firewall opening.

Would that work?
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Old 05-30-19, 04:36 AM   #8
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Default Re: What does this part do?

Quote:
Originally Posted by jaswrx View Post
ok. the cap might be the way to go.

BUT I suppose I could just leave it all as it came stock, that way I don't have to spend any money, using the OEM parts

AND just don't put the hose/pipe through the hole in the firewall. Let it rest against something in the bay or against the firewall opening.

Would that work?
There's a hose under the windshield cowl that the sound generator plugs into to help funnel the sound directly into the cabin. You could plug the sound tube into the firewall itself without connecting it to the hose and then you won't get any sound. I was trying to reinstall it and missed that piece and was wondering why I couldn't hear anything in the cabin.

It was amazing it was even quieter with the generator plugged in and the transfer hose off, than with nothing in the firewall port at all.
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Old 05-30-19, 05:01 AM   #9
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Default Re: What does this part do?

Quote:
Originally Posted by raisingAnarchy View Post
There's a hose under the windshield cowl that the sound generator plugs into to help funnel the sound directly into the cabin. You could plug the sound tube into the firewall itself without connecting it to the hose and then you won't get any sound. I was trying to reinstall it and missed that piece and was wondering why I couldn't hear anything in the cabin.

It was amazing it was even quieter with the generator plugged in and the transfer hose off, than with nothing in the firewall port at all.
I'm curious, does the 18 have this thing or just 15-17?
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Old 05-30-19, 06:03 AM   #10
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Default Re: What does this part do?

Quote:
Originally Posted by bsowers2018 View Post
I'm curious, does the 18 have this thing or just 15-17?
No, it has been deleted since the facelift.
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