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(888) 312-8812 Login SignupSound engineering meets refined power in the Donaldson Muffler Round Style 3 / Style 4, a 29.22-inch masterpiece of precision-crafted noise control. In the world of high-performance diesel engines, the balance between raw strength and controlled output is a fine art, and this muffler ensures that even the most commanding rigs operate with a level of sophistication befitting their stature. No matter if you’re traversing cross-country highways or pulling into the meticulously maintained grounds of an estate, the Donaldson M101169 is a declaration of appreciation for mechanical refinement.
| Body Length | 23.75 in |
| Overall Length | 29.22 in |
| Attenuation Hr | 18 dBA |
| Attenuation Lr | 12 dBA |
| Back Pressure High-range | Hg2.01 inch Hg) |
| Back Pressure Low-range | Hg0.98 inch Hg) |
| Back Pressure Mid-range | Hg2.01 inch Hg) |
| Body Diameter Maximum | 10.08 in |
| Inlet Clock Position | 12/31/1899 6:00:00 AM |
| Inlet Diameter | 4.02 in |
| Outlet Diameter | 4.02 in |
| Rated Flow Hr | 56.6 m³/min (1999 cfm) |
| Rated Flow Lr | 31.9 m³/min (1127 cfm) |
| Rated Flow Mr | 44.4 m³/min (1568 cfm) |
| Style | Style 3 |
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