Walker Exhaust 2013
NOISE & BACKPRESSURE
Application
DBA @ 50 ft. #
Muffler Shell Diam. (Inches)
Splitter "T" Adapter g
Mega Flow Muffler
DBA @ 50 ft.
Muffler Inlet/Outlet (Inches)
ACCESSORIES TECH-FIT HEAVY DUTY TRUCK GVW 7-8
B.P.
Style
Engine
C.I.D.
Style
# Muffler
B.P.
MACK - naturally aspirated diesel - Cont.
END-864
864
4
4
8 ³⁄₈
1
21838
83
1.2
4
4
9
1
22965
79
1.1
4
4
10 ¹⁄₈
1
22916
75
1.7
Vertical V-Engine
END-475
475
4
4
8 ³⁄₈
1
21838
81
0.7
4
4
8 ³⁄₈
3
22827
82
1.5
4
4
9
1
22965
79
0.5
4
4
10 ¹⁄₈
1
22969
79
0.5 22916
75
1.0
END-672 END-673
672
4
4
8 ³⁄₈
3
22827
83
1.5
4
4
8 ³⁄₈
1
21838
82
0.8
4
4
9
1
22965
79
0.6
APPLICATION BY ENGINE
Horizontal In-Line Engine
4
4
10 ¹⁄₈
1
22969
79
0.6 22916
75
1.1
END-707 END-711
707
4
4
8 ³⁄₈
3
22827
83
1.8
4
4
8 ³⁄₈
1
21838
82
0.9
4
4
9
1
22965
79
0.6
DUTY TRUCK GVW 3-6
MEDIUM
4
4
10 ¹⁄₈
1
22969
79
0.6 22916
75
1.1
END-864
864
4
4
8 ³⁄₈
1
21838
84
1.1
4
4
9
1
22965
78
1.2
4
4
10 ¹⁄₈
1
22969
78
1.8 22916
76
1.7
Horizontal V-Engine
SCHOOL BUS
MACK - turbo charged diesel
E3-180 E3-210
376 3 ¹⁄₂
3 ¹⁄₂
9
1
22844
60
2.2
4
4
9
1
22965
67
0.7
4
4
10 ¹⁄₈
1
22969
67
0.7 22916
74
0.8
4
4
10 ¹⁄₂
3
56
1.8
22835 c
ENDT-475
475
4
4
8 ³⁄₈
1
21838
76
0.7
AGRICULTURAL MUFFLER SPECS
4
4
9
1
22965
72
0.7
4
4
9
1
22965
72
0.7
4
4
10 ¹⁄₈
1
22969
72
0.7 22916
68
1.0
EMC6-250 EM6-237 EM6-275 EM6-285
671
4
4
7
1
22810
80
1.1
4
4
8 ³⁄₈
1
21838
76
1.2
Vertical
4
4
9
1
22965
72
0.7 22936
73
1.4
4
4
10 ¹⁄₈
1
22969
72
0.7 22916
67
1.8
E6-200 E6-250 E6-260 E6-275 E6-315 E6-350
671
4
4
7
1
22810
80
1.1
4
4
8 ³⁄₈
1
21838
76
1.2
O.E. CROSS
REFERENCE
4
4
9
1
22965
71
0.9 22936
73
1.4
4
4
10 ¹⁄₈
1
22969
71
0.9 22916
67
1.8
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