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(888) 312-8812 Login SignupThe strength of an engine is nothing without control. The Donaldson Muffer Round Style 3 brings refined performance by reducing engine noise while optimizing exhaust flow. At 23.5 inches in overall length, this muffler is carefully engineered to maintain efficiency without restricting power. It’s important to note that a well-functioning exhaust system is about performance, fuel economy, and prolonging engine life. When exhaust is managed correctly, engines run cooler, last longer, and deliver consistent results. Take command of vehicle performance with the Donaldson M065044.
| Body Length | 20.63 in |
| Overall Length | 23.50 in |
| Attenuation Hr | 20 dBA |
| Attenuation Lr | 15 dBA |
| Back Pressure High-range | Hg2.99 inch Hg) |
| Back Pressure Low-range | Hg0.98 inch Hg) |
| Back Pressure Mid-range | Hg2.01 inch Hg) |
| Body Diameter Maximum | 6.61 in |
| Inlet Clock Position | 12/31/1899 6:00:00 AM |
| Inlet Diameter | 2.51 in |
| Outlet Clock Position | 12/31/1899 9:00:00 AM |
| Outlet Diameter | 2.51 in |
| Rated Flow Hr | 16 m³/min (565 cfm) |
| Rated Flow Lr | 9.2 m³/min (325 cfm) |
| Rated Flow Mr | 13 m³/min (459 cfm) |
| Style | Style 3 |
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