GM just wanted to save money that's it. The only problem is the
muffler poping (noise) when it gets hot or cooling off. cheap
muffler from factory
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Q: The stock exhaust setup on a 2002 Chevrolet truck with the 6.0ltr is two 2.5 pipes into one 2.25 pipe. Is this necessary or is there a problem going with 2.5 pipes all the way?
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