Original-Zubehör-Hersteller Husqvarna 545 550xp mkII MARK 2 XP PORTIERTE AUSPUFF DUAL PORT SCHALLDÄMPFER MOD
You need to make sure that you got MK2 550xp, this muffler won't fit 550xp MK1 (the old one, first version). Muffler kit includes - Heat shield. Oem number: 583798701.