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Vehicle Information: Model: 911S; Year: 1973; Body Type: Coupe; Engine (type, size, modifications): 2.7RS spec; Total Mileage: 112000;

I'm trying to figure out what kind of muffler I saw. 2 outlets straight out the rear like a Sport muffler but also another outlet to the driver's side where the normal outlet would be. This 3rd outlet was capped with a removable cap.

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