Experience outstanding exhaust performance with the Donaldson M085409 Muffler, Round Style 3/Style 4. Engineered to provide exceptional noise reduction with 12 dBA attenuation in the low range and 18 dBA in the high range, this round style muffler boosts your truck’s exhaust efficiency while preserving peak engine performance. Whether you’re purchasing the Donaldson M085409 for your truck or upgrading to a Donaldson round muffler, enjoy a smoother ride with reduced noise and enhanced durability.

Technical Specifications

• Inlet/Outlet Diameter: 3.02 in (76.66 mm)
• Maximum Body Diameter: 8.46 in (215 mm)
• Body Length: 19.75 in
• Overall Length: 24.27 in (616.4 mm)
• Rated Flow: 636 cfm (low range); 883 cfm (mid/high range)
• Back Pressure: 0.98 inch Hg to 2.01 inch Hg

Benefits & Applications

Ideal for Style 3/Style 4 applications, this muffler is designed for improved exhaust efficiency and effective noise control. Its construction not only enhances performance but also contributes to a quieter, cleaner ride.

• Brand-new genuine parts with uncompromised quality
• Fast shipping: Typically ships within 1 business day
• No minimum order requirements
• Optimized for performance and longevity
• Easy installation for both hobbyists and professional drivers

Ready to enhance your vehicle’s performance? Explore our Donaldson collection and see how the Donaldson M085409 muffler can transform your driving experience.