Muffler Selection by Style, Attenuation & Exhaust Flow
Choose the desired inlet diameter for the engine’s air flow requirement that is at or below the acceptable backpressure level.
Style 1 - End Inlet/End Outlet/On Center
Attenuation
----- Exhaust Flow (cfm) @ -----
-- Inlet I.D. --
--- Outlet I.D. ---
Body Diameter
Body Length
Range dB(A)
Part
3" Hg
2" Hg
1" Hg
inch 2.00
mm
inch
mm
inch
mm
inch
mm 400 318 451 381 806 502 309 914 356 552 1130
Number M060479 M045237 M065138 M065071 M085293 7 M085407 M080018 M111029 M070028 M091046 M090146 M085421 M085171 M090544 M090594 M100464 1 M101167 M100466 M090095 7 M090781 M100695 M090595 M090074 M090535 M100944 M100582 M101159 4 M101182 3 M100580 M100465 M101158 4 M101181 3 M100463 M101263 M100807 M110849 M120747 M060247 M060005 M070008 M070050 M090009
40.8" H 2 0 27.2" H 2 0 13.6" H 2 0
51
2.00
51
6.00 4.38 6.62 6.62 8.50 8.50 8.00 11.00
152 111 168 168 216 216 203 279 178 229 229 216 216 229 229 262 254 254 229 229 254 229 229 229 254 254 254 254 254 254 254 254 254 254 254 279 301 152 152 178 178 229
15.75 12.50 17.75 15.00 31.75 19.75 12.18 36.00 14.00 21.75 44.50 34.37 34.37 44.44 20.00 44.50 23.75 44.44 29.31 44.44 44.44 20.00 44.44 44.44 44.44 44.44 44.44 44.44 44.44 44.44 44.44 44.44 44.44 44.44 59.95 50.50 25.75 14.50 15.00 14.00 18.38 20.00
12-18
498 531 780 790
393 433 613 645 891 884 682
283 306 441 456 630 636 482
2.10 OD 53 OD
8-12
2.50
64
2.50
64
12-18
2.63 OD 67 OD
6-12
2.89 3.00
73 76
3.16 OD
80 76
15-20 12-18 10-15 13-19 10-15 12-18 18-25 12-18
1091 1125
3.00
3.13 OD
80 OD
835
4.00 3.50 3.50 3.50 4.00 4.00 4.00 4.00 4.00 4.00 4.00
102
2193 1245 1525 1001 2099 3119 2006 1667 1420 2000 1948 1628 2639 1543 2478 2887 3260 2950 1600 1650 1650 2530 2790 2625 2625 3260 2530 2610 2950 3100
1791 1017 1203
1266
3.50
89
89 89
7.00 9.00 9.00 8.50 8.50 9.00 9.00
719 865 578
89
817
4.00
102
102 102 102 102 102
873 873
1714 2546 1638 1361 1159 1570 1590 1330 2155 1260 2023 2357 3100 2494 1435 1465 1465 2215 2277 2305 2305 3100 2215 2131 2505 2450
1212 1800 1158
8-12
1129
13-18 10-15 25-35 12-18 12-18 10-15 15-20 19-25 10-15 13-18 12-17 16-23 19-25 19-25 19-25 19-25 15-20 19-25 19-25 13-18 16-23 19-25 19-25 12-18
508
962 820
10.33 10.00 10.00
1130
102
603
1130 1125
102
1129
4.00 OD 102 OD 9.00
744
940
5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00
127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127
9.00
1129 1129
1524
10.00
891
5.00
127
9.00 9.00 9.00
508
1431 1667 2340 1765 1015 1035 1035 1565 1610 1630 1630 2340 1565 1507 1775 1762
1129 1129 1129 1129 1129 1129 1129 1129 1129 1129 1129 1129 1522 1283
10.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 11.00 11.84
654 368 381 356 467 508
2 NPT
2 NPT 2.5NPT 3 NPT 3.5 NPT
6.00 6.00 7.00 7.00 9.00
8-12 8-12
776 773
633 631
448 446 747 813
2.5 NPT
3 NPT
10-15 10-15 10-15
1293 1408 1767
1056 1149 1443
3.5 NPT
4 NPT
4 NPT
1020
1 - Wrapped muffler (reduces noise and surface temperature) 4JMFOU1BSUOFS&YIBVTU&OHJOF#SBLF4JMFODFS"MVNJOJ[FE 4 - Silent Partner™ Exhaust & Engine Brake Silencer-Stainless Steel 7 - Face flange on inlet
Mufflers in blue text have high temperature black finish and are designed for off-road applications.
Medium- and Heavy-Duty Exhaust Products t 3 t 47
www.donaldson-filters.com www.donaldsonoemfiltration.com/technologies/emission
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