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Old 05-15-2016, 03:02 PM   #1
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anyone adapted an air cooled muffler to a 986 ?

I was rummaging through my shed and came across a single inlet single outlet OEM muffler from my long gone 1983 911SC . I started thinking about if it could be altered to use on the beast ? I currently have a GHL twin can muffler which I love the sound of but hate the drone. Seems like all of the twin can mufflers suffers from drone. So why not adapt an OEM banana muffler ? So it would take two bolts welded on top to be used with the Boxster OEM muffler hanger. Cut off the single outlet and weld a patch. Modify the two ends to accept the inlets. Weld on twin outlet pipes centered correctly and voila some air cooled DNA for our Boxster ! Crazy idea ? I should be able to fab it all myself and weld it up with my mig welder.

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2002 Boxster S Arctic Silver with black top with glass window and black leather interior. Jake Raby 3.6 SS ( the beast ) with IMS Solution. 996 GT3 front bumper , GT3 rocker covers and GT3TEK rear diffuser and Joe Toth composites rear ducktail spoiler .
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Old 05-15-2016, 04:00 PM   #2
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I say go for it! I would do some googling and see if you can find out what the inside looks like before you start cutting though. It might not be feasible to exit in the middle. I spent today cutting up a 987 muffler in an attempt to fit it in my 986. I have a dansk sausage on mine but after closer examination, the pipes used inside it are almost as small as the factory secondary's. You and I have larger motors and I think we're loosing power by not using anything bigger than 52mm. That's the size of the exhaust in the 996. The 986 secondary is only 36mm and then expands to 42 at the U. I'm trying to run 52mm on everything after the headers.

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