Husqvarna 550 xp mark II muffler mod

Husqvarna 550 xp mark II 28" X-Tough light 3/8" bar swap

Husqvarna 550xp MK II, ported muffler is working???

HUSQVARNA 562/555XP MUFFLER MOD

Husqvarna 550xp muffler mod and channel updates

two mods you can do to increase power without porting! this really works!

Test - New Husqvarna 550XP Mark II vers. the old 550XP

The Best Muffler Mod for Husqvarna , 545, 550XP, 555, 562XP, 572XP, see description for more info

Husqvarna 550XP Mark 2 muffler mod si reset autotune fara service

Husqvarna 550 Mark II Cleaning and Maintenance

Husqvarna 545/550 Auspuffmodifikation, Muffler Mod

Husqvarna 340 kaasuttimen huolto ja säätö. @Lindenbranch_Garage

Darkness Rises! Coolest Husqvarna 550xp in the world! @JustinHawkinsRidesAgain @IndianaDoug

Saturday rs pro chain tree cutting. 550 xp mkII 20"bar 2/2

Husqvarna 550 XP Mark 2 im Test

Husqvarna Auto Tune Calibration w David Breeden #Husqvarna #Auto-Tune

Husqvarna 550xp Mark II (50.1cc/4HP) - first start, big wood test, first cuts/break in, weight....

DYNO RESULTS! Ported Husqvarna 550XP MK2 vs Stihl MS-261C

Donny walkers chainsaws showing different muffler mods

Husqvarna 550xp mkII Build! 50cc powerhouse!

Probleme mit dem AutoTune - Husqvarna 545 von @Obermuhle | Teil 2