OEM muffler

[JTSherer]

Took a look at mine and it's to the point that the factory seam is starting to leak exhaust. The metal isn't to far gone to clean up and seal for a year or so.

My question is , has anyone cut one open? Is there media inside, or is it just a series of baffles?

Either way, I'm going to take it off , clean it up, mig the seam and give it a high temp sealing.

I can't work on it in place, but I do have a space that I can get some bench welding done.

 

[KJowner]

Never bothered to open one up but I've welded the seam on both of mine.

 

[lfhoward]

Impressed the original muffler is still on it at this point, especially since you’re from Michigan! LOL

Winter salt destroyed mine back In 2017 and I’m on muffler #3. 218k on the clock now.

 

[Jeremy-WI]

Impressed the original muffler is still on it at this point, especially since you’re from Michigan! LOL

Winter salt destroyed mine back In 2017 and I’m on muffler #3. 218k on the clock now.

The original is still on my 2006 with 193k and we see salt on the roads in the winter

 

[JTSherer]

Impressed the original muffler is still on it at this point, especially since you’re from Michigan! LOL

Winter salt destroyed mine back In 2017 and I’m on muffler #3. 218k on the clock now.

It's a replacement but timely enough to still be salvageable with a little work. Looks like the exhaust from the manifolds back has been replaced before. Has a closed ground code for one of the downstream O2 sensors. Hopefully just in the pigtail of the sensor.

Just finished the seam . Still gotta brush it down and seal it all to get the rest of what it has to give.