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With a name like "Bark Box®," Westcoast Saw lets you know exactly what you're getting! This muffler cover is constructed out of stainless steel and hand TIG welded. It also has a spark arrester built in. Made in the USA.

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.


  • More horsepower and torque
  • Improves power throughout RPM range
  • Brings down engine temperatures
  • Corrosion resistant
  • Constructed of 304 stainless steel
  • Hand tig welded
  • Made 100% in the USA
  • One-year warranty included 


Stihl® is a registered trademark of Stihl® Incorporated and is used only to describe their products.  



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