Stock H6 muffler is a cutout muffler... just doesn't get any louder.
C CNY_Dave · Registered 06 OBW 2.5, 05 Forester, had 03 H6 OBW Joined Nov 2, 2007 · 5,882 Posts #4 · Mar 19, 2013 View full thread Stock H6 muffler is a cutout muffler... just doesn't get any louder.