well found this on the toomey website... they were probably installed wrong from the last owner.. I'll take a look tomorow
First you must bolt the mufflers to the long stingers. The long stingers are marked left and right with a stamped "L" and "R", stamped into the muffler mounting flange surface (tube side) (otherwise, you can tell the left one because it is about one inch longer than the right one.