Performance Muffler Kit – Fits Husqvarna 390/385

Aerospace-Grade Performance Exhaust System for Husqvarna 390 & 385 Engineered for superior power and cooler engine temperatures, this exhaust system is precision-crafted from aerospace-grade materials built to handle the toughest conditions. Proudly made in the USA and backed by a lifetime warranty, it delivers unmatched reliability and durability. 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: Husqvarna 390 & 385 Note: Will not fit 372, 371, 365 or 362 properly. Not designed to fit clone saws. Must use factory heat shield and an OEM Base Gasket (not included). Includes: One-piece muffler cover CNC machined from 6061 T6 billet aluminum Muffler Base CNC machined from 6061 T6 billet aluminum Lower Support Bracket CNC machined from 6061 T6 billet aluminum Complete hardware kit shown Spark arrestor screen with aperture size compliant with USFS specifications High-Temperature Gasket (between cover and base) – Made in the USA Dyno Proven Performance Tested on a completely stock saw with no modifications other than the muffler. Results showed a 7.3% increase in horsepower and a 7.8% increase in torque. Performance gains will vary depending on the saw and the level of modification. Installation Notes: • Replacement of the OEM exhaust port gasket is recommended (not included) • Designed to be used with the factory heat shield and OEM gasket • Post-installation tuning or recalibration is required for optimal performance • Use Loctite 243 thread locker on all mounting screws for secure, vibration-resistant assembly Warranty: Lifetime warranty covers defects in materials and workmanship under normal use; exclusions apply for misuse, neglect, or unauthorized modifications.