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Hole in muffler

Tiny
STEVIE12
  • MEMBER
  • 2007 CHEVROLET IMPALA
  • 121,000 MILES
I have a hole in my muffler right where the pipe comes in. Will that make my car hard to accelerate?
Saturday, April 15th, 2017 AT 1:54 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,588 POSTS
Should not make any difference. Where a hole would cause problems is before the converter or in front of the rear O2 sensor.
If you have a problem with acceleration it could be a plugged converter or exhaust system. For that an exhaust back pressure test would show you if it is the case.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter
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Saturday, April 15th, 2017 AT 3:50 PM
Tiny
STEVIE12
  • MEMBER
  • 55 POSTS
Thank you Steve W.
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Saturday, April 15th, 2017 AT 4:26 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,396 POSTS
Steve W. Is one of our best! :)

Please use 2CarPros anytime, we are here to help and tell a friend.

Best, Ken
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Tuesday, April 18th, 2017 AT 11:51 AM

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