I SEARCHED FIRST I PROMISE *PLASTIC BAG NOISE* - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

itsjustdavep · 04-21-2017, 06:46 PM

For the last week I've had this sound from just about under the cabin while accelerating

It's the same sound that a plastic bag makes in the wind when it's caught in something.

So I THOUGHT it was a bag. Jacked the car up and got underneath, found nothing. Checked all my mud flaps and wheel wells, properly fastened.

So I'm at a loss now.

Exhaust leak?

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JoeC · 04-21-2017, 07:08 PM

is it only during acceleration under load? do you notice while coasting or decelerating?

itsjustdavep · 04-21-2017, 07:12 PM

Both now that you mention it

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geezerbrzeezer · 04-21-2017, 07:27 PM

Does it sound like your mother-in-law?

itsjustdavep · 04-21-2017, 07:28 PM

Quote:

Originally Posted by geezerbrzeezer

Does it sound like your mother-in-law?

*looks across dining room table at mother in law*

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humfrz · 04-21-2017, 10:01 PM

You did check that skid plate (or whatever it's called) underneath the engine .... ??

humfrz

itsjustdavep · 04-21-2017, 10:05 PM

Quote:

Originally Posted by humfrz

You did check that skid plate (or whatever it's called) underneath the engine .... ??

humfrz

Literally picked the whole car up. I even took both skids off.

Like I know you get a bit more noise with headers. But this is more than that normal amount

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humfrz · 04-21-2017, 10:13 PM

Quote:

Originally Posted by itsjustdavep

Literally picked the whole car up. I even took both skids off.

Like I know you get a bit more noise with headers. But this is more than that normal amount

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Well, you mentioned a modified exhaust and a possible leak. That's the next place I'd suggest you suspect.

humfrz

itsjustdavep · 04-23-2017, 09:31 AM

Quote:

Originally Posted by humfrz

Well, you mentioned a modified exhaust and a possible leak. That's the next place I'd suggest you suspect.

humfrz

So I have a HOLE. In my exhaust.

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guybo · 04-23-2017, 12:17 PM

Quote:

Originally Posted by geezerbrzeezer

Does it sound like your mother-in-law?

He said "plastic bag" sound not an "old bag" sound.

If my mother-in-law reads this message, I'm going to find a cane planted uncomfortably in my nether regions

cjny · 04-23-2017, 02:20 PM

Are the windows open? Could it be in the cabin?

itsjustdavep · 04-23-2017, 02:24 PM

Quote:

Originally Posted by cjny

Are the windows open? Could it be in the cabin?

There's a hole in the only remaining stock piece of my exhaust lol

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Tcoat · 04-23-2017, 03:22 PM

Quote:

Originally Posted by itsjustdavep

There's a hole in the only remaining stock piece of my exhaust lol

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A hole? Can you get a pic? I am curious how you got a hole.

itsjustdavep · 04-23-2017, 03:27 PM

Quote:

Originally Posted by Tcoat

A hole? Can you get a pic? I am curious how you got a hole.

They didn't take a pic. I gotta pick it up and see. Apparently one of the hangars at the joint between front and mid pipe snapped and pulled a hole in the exhaust.

Soon as I get it in the air I'll get a good look

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04-21-2017, 06:46 PM	#1
itsjustdavep Senior Member Join Date: Jun 2014 Drives: Asphalt Scion FR-S Location: Orlando, FL Posts: 196 Thanks: 33 Thanked 34 Times in 29 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I SEARCHED FIRST I PROMISE PLASTIC BAG NOISE For the last week I've had this sound from just about under the cabin while accelerating It's the same sound that a plastic bag makes in the wind when it's caught in something. So I THOUGHT it was a bag. Jacked the car up and got underneath, found nothing. Checked all my mud flaps and wheel wells, properly fastened. So I'm at a loss now. Exhaust leak? Sent from my iPhone using Tapatalk __________________ 2013 Asphalt HRI Tuned-K&N DropIn-Tomei UEL-Tomei OP-Invidia FP-Nameless Muffled Trackpipe...and corn

04-21-2017, 07:12 PM	#3
itsjustdavep Senior Member Join Date: Jun 2014 Drives: Asphalt Scion FR-S Location: Orlando, FL Posts: 196 Thanks: 33 Thanked 34 Times in 29 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Both now that you mention it Sent from my iPhone using Tapatalk __________________ 2013 Asphalt HRI Tuned-K&N DropIn-Tomei UEL-Tomei OP-Invidia FP-Nameless Muffled Trackpipe...and corn

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04-21-2017, 10:01 PM	#6
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04-23-2017, 02:20 PM	#11
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