Exhaust swap

Tiny
JAMES ROE
  • MEMBER
  • 1993 GMC C1500
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 148,000 MILES
Would a muffler off of a Dodge truck be compatible with my GMC v6?
The Dodge muffler is from a v8.
Friday, November 9th, 2018 AT 6:26 AM

3 Replies

Tiny
JONNYB1963
  • MECHANIC
  • 252 POSTS
Hi James,

That is a bit of a loaded question. The muffler will "fit" if it has the same diameter inlets and outlets and if the length works. For example if you have a 3" exhaust pipe and the muffler is 2-1/2", it will not work. Or if the muffler is too long, or too short. Of course you could modify the exhaust system to accept any muffler you want but it is a lot of unnecessary work and the exhaust may not perform well. Meaning too much noise or poor performance.

I would recommend finding the correct one that is made for your vehicle. That way you are guaranteed that not only will it fit, it will perform correctly. A lot of mufflers these days have hangars built-in to them so it is easy to replace them with original mufflers.

Hope that helps,
Jon
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Friday, November 9th, 2018 AT 10:53 AM
Tiny
JAMES ROE
  • MEMBER
  • 2 POSTS
Thank you for your input it helped a lot.
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Saturday, November 10th, 2018 AT 3:10 AM
Tiny
JONNYB1963
  • MECHANIC
  • 252 POSTS
Great! Come back and see us whenever you need assistance!
Regards,
Jon
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Saturday, November 10th, 2018 AT 4:26 AM

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