This is New Old Stock Bursch - never installed or used, just have some shelf wear from sitting around.
Twin inlet style, nominally for 66-73 (or later years if you have backdated heaters or headers, obviously). This is the quieter version because it has the additional little resonators before the muffler. Still has a really good, sporty sound to it.
These are NOT available in this exact style anymore, but the closest one still available new here on Pelican is$340 plus around $25 shipping.
I will take $260 plus shipping
http://s61.photobucket.com/user/greggearhead/media/Sell/Porsche/DSC_0787_zps9kkyd6rn.jpg.html
http://s61.photobucket.com/user/greggearhead/media/Sell/Porsche/DSC_0788_zpsk1dqs1ga.jpg.html
http://s61.photobucket.com/user/greggearhead/media/Sell/Porsche/DSC_0789_zpsvdroph0c.jpg.html
Still available
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