Sound tube mod? - Scion FR-S Forum | Subaru BRZ Forum | Toyota 86 GT 86 Forum | AS1 Forum

smbrm · 06-12-2012, 03:39 PM

Anybody removed or blocked the sound tube yet?

Flat Black VW · 06-12-2012, 04:53 PM

wondering this as well....

Liquidsnake · 06-12-2012, 05:21 PM

anyone know how to amplify it yet?

Koji_Online · 06-12-2012, 05:22 PM

Quote:

Originally Posted by Liquidsnake

anyone know how to amplify it yet?

+1

Tainen · 06-12-2012, 05:28 PM

I'm waiting for a company to come out with a set of plugs for the stock intake system that plugs all the resonance chambers.

mattles · 06-12-2012, 05:39 PM

Removed mine, couldnt be happier.

brianbot5000 · 06-12-2012, 06:35 PM

Quote:

Originally Posted by mattles

Removed mine, couldnt be happier.

And? What's the difference in sound? Is it significant? Do you hear the exhaust more, or is it just quieter all around?

smbrm · 06-12-2012, 06:46 PM

Yes how did it impact cabin sound, hopefully quieter? Did you plug the line to the cabin to prevent vapour ingestion? I assume that you plugged the intake opening?

Opposed · 06-12-2012, 10:23 PM

GRIMMSPEED informed me they were developing a delete kit for it. Should be out soon...

BillY2KFRC · 06-13-2012, 07:29 AM

Quote:

Originally Posted by Liquidsnake

anyone know how to amplify it yet?

Yeah, I'm on this side of the fence as well. I'd like to make it louder. I rode in a pre-production car and could SWEAR it was significantly louder in the cabin. Does anybody know for a fact if anything was changed regarding noise levels for the production cars?

Keith@AIRAID · 06-13-2012, 11:03 AM

Our intake kit will come with a delete plug. That's what Mattles has on his car, in prototype form. It's pretty easy to remove the sound tube, but you need to plug the hole left in the intake tube and the hole in the firewall.

Liquidsnake · 06-13-2012, 12:08 PM

Quote:

Originally Posted by BillY2KFRC

Yeah, I'm on this side of the fence as well. I'd like to make it louder. I rode in a pre-production car and could SWEAR it was significantly louder in the cabin. Does anybody know for a fact if anything was changed regarding noise levels for the production cars?

Well if anyone hears of a way to increase the noise level. Let us know.

I can tell you that last Friday at 9:00 pm it was cold outside(turbo weather) And the note seemed louder than normal.

smbrm · 06-13-2012, 12:11 PM

Quote:

Originally Posted by Keith@AIRAID

Our intake kit will come with a delete plug. That's what Mattles has on his car, in prototype form. It's pretty easy to remove the sound tube, but you need to plug the hole left in the intake tube and the hole in the firewall.

So how much quieter is the cabin?

Keith@AIRAID · 06-13-2012, 01:19 PM

Quote:

Originally Posted by smbrm

So how much quieter is the cabin?

Hard to say, because we are running it with our intake. It has not been tested with the stock system.

flawedchemical · 06-13-2012, 09:26 PM

I kind of tried to see if this sound tube worked like the mustangs do. I pulled it apart starting at the big tube between the airbox and throttle body. There wasn't any sort of filter or screen there. Next, I moved to the apparent baffle that necks down to the small hose. I pulled it off, and there weren't any filters or screens. It seems that the only thing that does any muffling is that one canister. I now just need to find a piece of pipe that necks down and see if getting rid of that canister amplifies the sound.

Yay! First post.

eikond · 06-19-2012, 08:04 AM

I've revved up into the 6k range the other day.. I'm still being careful with my break-in, and I only did it because I needed to pass a car on a two-lane road and needed to be quick about it.

I was very dissapointed with the sounds I heard coming from the car.. Reminded me of a Dodge pickup truck... tons of sound with no corresponding acceleration.. .sound purely for the sake of sound.. and it was a bad sound.. all rumble and mess with no melody or tune.

I will definitely be removing the sound tube. what a stupid idea that was!

wcbjr · 06-19-2012, 08:27 AM

Quote:

Originally Posted by Liquidsnake

Well if anyone hears of a way to increase the noise level. Let us know.

Roll down the window.

HunterGreene · 06-19-2012, 08:29 AM

Quote:

Originally Posted by Liquidsnake

Well if anyone hears of a way to increase the noise level. Let us know.

Remove the headers.

Keith@AIRAID · 06-19-2012, 10:14 AM

Quote:

Originally Posted by flawedchemical

I kind of tried to see if this sound tube worked like the mustangs do. I pulled it apart starting at the big tube between the airbox and throttle body. There wasn't any sort of filter or screen there. Next, I moved to the apparent baffle that necks down to the small hose. I pulled it off, and there weren't any filters or screens. It seems that the only thing that does any muffling is that one canister. I now just need to find a piece of pipe that necks down and see if getting rid of that canister amplifies the sound.

Yay! First post.

I would not recommend doing this. That canister is what separates the clean intake air from the "noise side" that goes to the firewall. If you remove it, you would effectively be creating a vacuum leak and allowing unfiltered air into the intake.

Sall · 06-19-2012, 10:45 AM

Quote:

Originally Posted by mattles

Removed mine, couldnt be happier.

why do say you removed yours and you wont right down your results ??????????

raphymartinez · 06-19-2012, 10:46 AM

Quote:

Originally Posted by Liquidsnake

anyone know how to amplify it yet?

+1

Dustin@Dynosty · 06-19-2012, 04:24 PM

we will have our first batch of delete plug kits in tomorrow, I will post up pics after we get them from the machine shop. Will be billet plug for intake and cap for the firewall.

06-12-2012, 03:39 PM	#1
smbrm Senior Member Join Date: May 2010 Drives: Scion FRS Ht Lva(AT),1990Celica GTS Location: Alberta Posts: 345 Thanks: 28 Thanked 64 Times in 43 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Sound tube mod? Anybody removed or blocked the sound tube yet?

06-12-2012, 05:21 PM	#3
Liquidsnake Senior Member Join Date: Apr 2012 Drives: If god were a car he'd be an FR-S Location: LA Posts: 375 Thanks: 34 Thanked 118 Times in 65 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	anyone know how to amplify it yet? __________________

06-12-2012, 05:28 PM	#5
Tainen Senior Member Join Date: Nov 2011 Drives: First SWP BRZ-L Location: Washington Posts: 653 Thanks: 119 Thanked 281 Times in 126 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	I'm waiting for a company to come out with a set of plugs for the stock intake system that plugs all the resonance chambers. __________________ First white BRZ in the country Limited SWP BRZ, 35% tint, clear bra, Nameless Performance downpipe, axelback, headers

06-12-2012, 05:39 PM	#6
mattles Proud of FR Layout Join Date: Jan 2012 Drives: 2013 Scion FR-S 6MT Location: PHX, AZ Posts: 846 Thanks: 78 Thanked 309 Times in 183 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Removed mine, couldnt be happier. __________________ --Matt I paid MSRP for my 86, and you should too

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06-12-2012, 04:53 PM	#2
Flat Black VW Senior Member Join Date: Jun 2012 Drives: 2013 Subaru BRZ Location: NOVA Posts: 632 Thanks: 105 Thanked 230 Times in 135 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	wondering this as well....

06-12-2012, 06:46 PM	#8
smbrm Senior Member Join Date: May 2010 Drives: Scion FRS Ht Lva(AT),1990Celica GTS Location: Alberta Posts: 345 Thanks: 28 Thanked 64 Times in 43 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Yes how did it impact cabin sound, hopefully quieter? Did you plug the line to the cabin to prevent vapour ingestion? I assume that you plugged the intake opening?

06-12-2012, 10:23 PM	#9
Opposed Senior Member Join Date: Jun 2012 Drives: 2013 Asphalt FR-S Location: Bloomington, MN Posts: 842 Thanks: 258 Thanked 300 Times in 194 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	GRIMMSPEED informed me they were developing a delete kit for it. Should be out soon...

06-13-2012, 11:03 AM	#11
Keith@AIRAID FT86Club Official Vendor Join Date: Jun 2012 Drives: 51 Kaiser, 97 4Runner, 07 Civic Si Location: Phoenix, AZ Posts: 96 Thanks: 46 Thanked 116 Times in 50 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Our intake kit will come with a delete plug. That's what Mattles has on his car, in prototype form. It's pretty easy to remove the sound tube, but you need to plug the hole left in the intake tube and the hole in the firewall.

06-13-2012, 09:26 PM	#15
flawedchemical Member Join Date: Jun 2012 Drives: Silver 2013 FR-S Location: Eros,La Posts: 60 Thanks: 0 Thanked 10 Times in 4 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I kind of tried to see if this sound tube worked like the mustangs do. I pulled it apart starting at the big tube between the airbox and throttle body. There wasn't any sort of filter or screen there. Next, I moved to the apparent baffle that necks down to the small hose. I pulled it off, and there weren't any filters or screens. It seems that the only thing that does any muffling is that one canister. I now just need to find a piece of pipe that necks down and see if getting rid of that canister amplifies the sound. Yay! First post.

06-19-2012, 08:04 AM	#16
eikond Wish Nissan made one Join Date: Feb 2012 Drives: '13 WRB BRZ Premium Location: Bloomfield, MI Posts: 632 Thanks: 81 Thanked 239 Times in 123 Posts Mentioned: 7 Post(s) Tagged: 1 Thread(s)	I've revved up into the 6k range the other day.. I'm still being careful with my break-in, and I only did it because I needed to pass a car on a two-lane road and needed to be quick about it. I was very dissapointed with the sounds I heard coming from the car.. Reminded me of a Dodge pickup truck... tons of sound with no corresponding acceleration.. .sound purely for the sake of sound.. and it was a bad sound.. all rumble and mess with no melody or tune. I will definitely be removing the sound tube. what a stupid idea that was!

06-19-2012, 04:24 PM	#22
Dustin@Dynosty FT86Club Official Vendor Join Date: Jun 2012 Drives: 2013 FR-S Location: KY Posts: 300 Thanks: 0 Thanked 112 Times in 55 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	we will have our first batch of delete plug kits in tomorrow, I will post up pics after we get them from the machine shop. Will be billet plug for intake and cap for the firewall.

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