Reduces muffler inside diameter by 2mm per sleeve for precise sizing

1999 944 ST2 944cc

and 4mm thick

09‑12 Sportster XR1200/X fits all Sportster XR1200 & XR1200X models

round bar regular top sissy bar uprights 2OM Reduces muffler inside diameter byUniversal chrome plated or black powder coated sissy bar uprights manufactured from 9 16" (14. 3mm) round steel bar. Installs into regular detachable or rigid side plates. The 'width' is the width of the sissy bar upright bars (legs), measured from outside to outside. This must match the 'bar width' of the detachable or rigid side plates in which the sissy bar upright is mounted. Note: Width measured at bottom outside to outside bar.