CAMARO6 - Borla S type Axle Back Rattle

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- - Borla S type Axle Back Rattle (https://www.camaro6.com/forums/showthread.php?t=605478)

jchamp922

05-15-2022 07:03 PM

Borla S type Axle Back Rattle

Hi,
I just installed a Borla S type Axle Back on my ZL1 and am getting a rattling sound from the drivers side valve when open and closed. Has anybody experienced this?

Camaro1973

05-15-2022 07:34 PM

Quote:

Originally Posted by jchamp922 (Post 11174403)

Hi,
I just installed a Borla S type Axle Back on my ZL1 and am getting a rattling sound from the drivers side valve when open and closed. Has anybody experienced this?

Check to make sure the valve isn't loose. If the valve isnt lose and working fine make sure the muffler isn't hitting the heat shield above it.

jchamp922

05-15-2022 08:50 PM

The valve is tight. I checked and don't see any clearance issues. I am gonna contact Borla tomorrow. This should not be happening with expensive mufflers like this

Camaro1973

05-15-2022 08:52 PM

Quote:

Originally Posted by jchamp922 (Post 11174440)

The valve is tight. I checked and don't see any clearance issues. I am gonna contact Borla tomorrow. This should not be happening with expensive mufflers like this

You sure its the valve and its not hitting anything?

jchamp922

05-17-2022 03:10 PM

Spoke to Borla they are sending me a new valve. Hopefully this fixes the issue.

jaybee924

05-17-2022 06:32 PM

Quote:

Originally Posted by jchamp922 (Post 11175312)

Spoke to Borla they are sending me a new valve. Hopefully this fixes the issue.

The best thing about Borla NPP is that they are the only ones you don't have to replace the whole muffler if you have a issue with the NPP valve. Actually it's a smart design compared to the others

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