Quote:
Originally Posted by 911Jarle
Regarding the small pipe to the muffler, anyone know what it's for?
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It depends on what muffler you have, which is why I asked for a picture of it. Some of the mid 70's US 911s had a small line going to the muffler as part of the emissions control system. Early turbos had a pipe going from the wastegate to the muffler.
JR