Chainsaw Muffler shoot out, Bolt on performance

(24:57)

Husqvarna 562xp, 26% Muffler Mod Gains!!! These mufflers are JUNK Stock!!!

(10:14)

Donny walkers chainsaws showing different muffler mods

(5:4)

The chainsaw guy shop talk Stihl MS 261 M Tronic Ported Muffler

(1:6)

Listen to this ported muffler on a Stihl ms362

(30)

Stihl MS261c West Coast Saw Muffler Port. Warning to headphone users!

(1:18)

Echo CS-590 w Muffler and Carb mods vs Fully Ported with a 620 Cylinder

(1:58)

Add Performance to Your Chainsaw... with a Hyway Dual Port Muffler Cover.

(1:34)

Ported STIHL MS 391 one of my favorites

(38)

NEW HUSQVARNA 395XP TEST CUTS WITH MUFFLER MOD BEFORE PORTING

(7:54)

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

(4:38)

Stihl MS 250 Real muffler mod Massive difference!!!

(5:44)

Ported and muffler mod jonsered 2065

(58)

Husqvarna 288XP Dual port Muffler Mod

(4:31)

Stihl MS500i with WISECO CCC RACING piston... NO porting w/stock muffler/intake...

(1:1econd)

Stihl MS 250 muffler mod - test and comparison

(6:15)

290 Farm Boss Mod ! - Do this after your warranty runs out.

(6:13)

Stihl MS170 Muffler Mod!

(33)

Dolmar 7900 stock vs ported with WoJo muffler

(2:30)