Westcoast Saw Muffler Cover- Stihl 500i speed dependable design has stood the

dependable design has stood the test of time

Oval biners are important because they allow pulleys to sit in a correctly loaded and equalised position

attachment point

Elongation Its a secret

very high efficiency Prusik pulley

Westcoast Saw Muffler Cover- Stihl 500i speed dependable design has stood theMuffler Cover For Select Stihl Saws Part number: 100 0104 Fits Stihl 500i Expect cooler running temperatures, a rowdy sound, and 6 10% horsepower gain. Installation Note: If your saw is M tronic it will be tuned in by the third or fourth cut after installation. If your saw is non M tronic, we recommend re tuning after installation. Bark Boxes are compatible with 2 piece muffler covers only. Specs More horsepower and torque Improves power throughout