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Discussion Starter #1
My 03 duramax has a converter in front of the muffler.Is the converter causing a restriction in the exhaust?If I remove it will this cause a problem?Thanks
 

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ah, the ol california emmisions? Its restriction is very minimum. Its unlikely you will notice a performance difference with it gone, you will likely notice a sound differnece which may give the false illusion of more power


Eric
 

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Eric if I take it off will the computer show a code?
 
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