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Well, I'm still confused -- can't figure out how that stock muffler really works internally. Besides, comparing the pictures, there's obviously some difference between the 986 and the 986s muffler (assuming they both are stock).
The reason why I'm eager to know how a stock 986 muffler works, is that I recently bought one to try do a hack myself... but before cutting it open, I thought that I at least needed to know how it works -- but so far no luck.
I might need to emphasize that I'm looking for performance enhancements rather than sound, although I wouldn't mind if also the sound was improved (as long as it's not too loud or sound buzzy).
-- peer
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