Husqvarna 545 550XP 550XGP Ported Dual Port Pipe Exhaust Muffler XP 550 Mark 2

Husqvarna 565 572XP 572 XP Ported Dual Port Pipe Exhaust Muffler Chain Saw

Husqvarna 555xp 560xp 562xp Ported Dual Port Pipe Exhaust Muffler XP 555 562 560