Item 1001164404S has must read information.
: PER THE VENDOR THIS MUFFLER IS NOT AVAILABLE FOR INDIVIDUAL PURCHASE. IF THIS MUFFLER IS REQUIRED ALL COMPONENTS MUST BE PURCHASED INDIVIDUA LLY. PLEASE ORDER THE FOLLOWING PARTS FOR PROPER SERVICE REPLACEMENT. CAPSCREW JLG P/N 70030252 (QTY 3); NITROGEN OXIDE SENSOR JLG P/N 70030 253 (QTY 1); AFM DEVICE GASKET JLG P/N 70030254 (QTY 1); MOUNTING SPAC ER JLG P/N 70030255 (QTY 3); DECOMPOSITION REACTOR JLG P/N 70030256 (Q TY 1); THREADED PLUG JLG P/N 70030257 (QTY 1); DOSER INJECTOR JLG P/N 70030258 (QTY 1)