Performance Muffler Cover – Fits Stihl 500i

Aerospace-Grade Performance Exhaust System for STIHL MS 500i Enhance power and improve engine cooling with this precision-engineered exhaust system designed for the STIHL MS 500i. Made from lightweight 6061 T6 billet aluminum, a high-strength aerospace alloy known for excellent heat dissipation, the one-piece muffler cover optimizes exhaust flow while helping to keep your engine cooler and extend component life. Proudly manufactured in the USA and backed by a lifetime warranty, this exhaust system delivers lasting durability under demanding conditions. Outlet Direction (Facing Bar or Facing Recoil):Facing Bar means the exhaust outlet points toward the guide bar side of the saw. Facing Recoil means it points toward the pull-start side. This is strictly operator preference and has no effect on performance. Compatible Models: STIHL MS 500i Includes: One-piece muffler cover CNC machined from 6061 T6 billet aluminum Spark arrestor screen with aperture size compliant with USFS specifications High-Temperature Gasket – Made in the USA Complete hardware kit with all 4 mounting screws, vibration-resistant Belleville washers, and a 0.5 mL bottle of LOCTITE® 243 Threadlocker. Dyno Proven Performance Tested on a completely stock saw with no modifications other than the muffler cover. Results showed a 7.93% increase in horsepower, and a 8.25% increase in torque. Performance gains will vary depending on the saw and the level of modification. Installation Notes: Apply thread locker on all mounting screws for secure, vibration-resistant assembly Warranty Lifetime warranty covers defects in materials and workmanship under normal use. Excludes misuse, neglect, or unauthorized modifications.