Product Overview
D.N.O. Performance Exhaust Cover – Fits Stihl MS440, MS460, MS461 & Holzfforma G444, G466
Bolt-On Power. Cooler Temps. More Performance.
Upgrade your saw’s output and reliability with the D.N.O. Performance Cover, engineered for serious users who want to maximize power and efficiency without compromise.
✅ Fits:
• Stihl MS440 / MS460 / MS461
• Holzfforma G444 / G466
✅ Key Features:
• High-Flow Faceplate Design – Front-facing ports are larger than clutch-side exits, delivering enhanced exhaust flow for increased horsepower and torque
• Removable Spark Arrestor Screen – Built from OEM-grade 304 stainless steel to meet regulation standards while offering easy maintenance
• High-Temp Gasket Included – Premium graphite/carbon composite with stainless steel tang reinforcement for reliable, heat-resistant sealing
• Stainless Steel Construction – Durable, corrosion-resistant, and built for rugged use
? Performance Benefits:
• Bolt-on horsepower and torque gains
• Runs cooler under load
• Durable and regulation-compliant design
When you're ready to take your saw to the next level, the D.N.O. Performance Cover delivers results you can feel
Will need 2x m5 x 12 screws to replace the top smaller screws on the muffler cover.