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Thread: Kartboy Exhaust Hanger Disintegration!

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Posts: 1-10 of 11
2014-11-25 05:19:28
Kartboy Exhaust Hanger Disintegration!
My B13 has been sitting in the garage, under a cover for about four years now...
Looking at the car today I noticed my muffler was hanging very low. Upon closer inspection I noticed that my Kartboy exhaust hangers just disintegrated and snapped. WTF???

Anyone else have this happen?
What hangers are you using?
2014-11-25 13:13:48
I believe @BenFenner had a similar problem. I personally installed Circuit Motorsports on mine and so far no problems, so we'll see.
Last edited by 92_sEnAtRa on 2014-11-25 at 13-16-58.
2014-11-25 15:24:00
I had another brand poly hanger tear apart when i was trying to re-install my exhaust. They were only a year old.
2014-11-25 18:49:24
I went back to OEM inserts after those kartboy failures.
2014-11-25 21:45:15
I only use OEM...and I've never had an issue.
2014-11-28 17:53:39
Yep, mine lasted 5-6 years or so before failure (all of them at once it seems). I replaced them with the same Kart-Boy hangers.
2014-12-04 03:28:20
It's unfortunate that Kartboy polyurethane exhaust hanger have a shelf life.

2014-12-04 04:15:30
I used cheap autozone ones. No sag and been on over 3 years, 3" and 2 resonators.
2014-12-04 13:38:29
Nismo hangers on my ride. IIRC installed in 2007'ish.

I don't honestly know if they are polyurethane or just a harder compound rubber(?).

I do know they add 5 whp per hanger. Because Nismo.
Last edited by Shawn B on 2014-12-04 at 14-50-52.
2014-12-05 01:28:46
Originally Posted by Shawn
Because Nismo.

And there you have it.
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