Originally Posted by b16aEGcivic
that and i didnt think the WS was stainless but the exmag is :thinking:
I don't know about the WS2, but the RS*R Exmag on my coworker 240sx is a straight through. I don't believe that there is any damping material either, the muffler body is pretty hollow, where the 2.5" inlet enter a BIG emty chamber then exits through a 2.5" outlet, if I remembered correctly.