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Weird issue with exhaust

So I am having a weird issue, i woke up and i noticed my exhaust tone has changed it's much raspier, I have short tails and z1 hfc the exhaust

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Old 07-15-2019, 07:47 AM   #1 (permalink)
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Default Weird issue with exhaust

So I am having a weird issue, i woke up and i noticed my exhaust tone has changed it's much raspier, I have short tails and z1 hfc the exhaust sound different at wot too.

Anyone experienced this before?
I am thinking I have a leak at the y pipe because all the metal mesh around the flex part is torn apart.

My car used to pop loud but now I barely hear it

Last edited by Nooree01; 07-15-2019 at 01:48 PM.
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Old 07-15-2019, 09:14 AM   #2 (permalink)
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I had an issue with my flex pipes on the y-pipe as well, they were badly worn like yours and one side had a hairline crack in it. Just jack the car up and see if their is any cracks or holes.
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Old 07-15-2019, 12:39 PM   #3 (permalink)
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Originally Posted by Nooree01 View Post
So I am having a weird issue, i woke up and i noticed my exhaust tone has changed it's much rapier, I have short tails and z1 hfc the exhaust sound different at wot too.

Anyone experienced this before?
I am thinking I have a leak at the y pipe because all the metal mesh around the flex part is torn apart.

My car used to pop loud but now I barely hear it
What a difference a missing "s" makes...

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Old 07-15-2019, 01:47 PM   #4 (permalink)
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Quote:
Originally Posted by BettyZ View Post
What a difference a missing "s" makes...

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Lol

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Old 07-15-2019, 03:13 PM   #5 (permalink)
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Could it be an exhaust leak that developed after installing my hfc on the header sides

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Old 07-15-2019, 04:29 PM   #6 (permalink)
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Could it be an exhaust leak that developed after installing my hfc on the header sides

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You have a massive exhaust leak because your flex metal is all torn apart. Local auto store should sell patching kits.

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Old 07-15-2019, 06:20 PM   #7 (permalink)
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Good thing I have another stock ypipe on standby

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Old 07-15-2019, 07:05 PM   #8 (permalink)
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To confirm your diagnosis, get a length of water hose or similar, put one end to your ear, and move the free end under the car until the noise is the loudest.
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Old 07-17-2019, 01:32 PM   #9 (permalink)
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Turns out it's the driver side header and Cat gasket

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