Thread: Anyone wondering what inside a stock muffler looks like? (pics inside)
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      01-07-2013, 07:54 AM   #7
SfValley335i
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Quote:
Originally Posted by subbie79 View Post
I wonder if that secondary car converter is really a cat converter. Just by looking at the picture it looks more like a resonator.
It really is a cat, OP might have shot his out if he has 2step or something...
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