My Yukon SLT

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Goodinblack

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Cause the stock muffler has baffles in it that trap more carbon vs. A magnaflow straight through design????
 
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YuCanada

YuCanada

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Okay so I took out a plug to start changing, and I have different part numbers.

I was told to use ac delco 41-110 which says on it 12621258

Plug I took out says 41-985 and 12571164,

Look a little different too.

What do I do?

---------- Post added at 03:35 PM ---------- Previous post was at 03:34 PM ----------

ryze5y6y.jpg
 

07Burb

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:hands: Yeah, I was nice to ya and didn't pull the "let me google that for ya" trick :lol: It's all good, though. I would have wondered the same thing and did when I changed my plugs last year :)
 

Goodinblack

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I much rather people ask stuff here...... it helps for future reference.

Like now I know about these plugs when it comes time to do mine.
 

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