What's inside a stock GMC Yukon muffler? - Cutting open Yukon muffler - How a muffler works

In this video I cut open a stock GMC Yukon muffler to see what's inside. I use a metal cutting wheel and a nibbler metal cutting tool to cut open this large stock muffler from my old Yukon. What do you think we found inside? How does a muffler work? Well, hang on to your britches, you're 'bout ta find out.

Check out my 4 Cherry Bomb muffler sound tests:
   • Comparing four Cherry Bomb® mufflers ...  

Ever wonder what two different mufflers on dual exhaust sounds like?    • Two different mufflers on dual exhaus...  

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Funk City by Reatch   / reatch  
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