Originally Posted by
Rally Red 98
o/r y: offroad y-pipe. just a larger diameter pipe from the header collector to the i-pipe. it's not supposed to be used "on road" because it moves the catalysts and changes your emissions equipment which is technically not allowed. but that's never stopped anybody.
Yet, it will get you kicked out of the street lane at VMP if you have dual cutouts in the offroad "Y".....................
