Not so, the WS is very quiet, it has a low sporty tone and produces good results for the mid and high end.

The rsr seems like a quality exhaust too but I don't know much about the rsr so this is just my biased opinion. I do like the black stealthiness of the rsr though.

here's some links to both though...

http://store.clubrsx.com/merchant.mv...gory_Code=EXTS

http://www.apexi-usa.com/exhausts_ws.asp