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)
B.P.
Style
Engine
C.I.D.
Style
# Muffler
B.P.
MACK - turbo charged diesel - Cont.
ENDT-673 EMDT-673C ETAZ-673A
673
4 4 4 4 4 4 4 4 4 4 4 4 5 5 4 4 4 5 4 4 4 5 5 5 5 4 4 4 4 4 4 4 5 4 4 4 5 5 4 4
4 4 4 4 4 4 4 4 4 4 4 5 5 5 4 4 5 5 4 4 5 5 5 5 5 4 4 4 5 4 5 4 5 4 4 5 5 5
7
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1
22810 21838
80 76
1.1 1.2
8 ³⁄₈
9 9 9
22965
72
1.0
ETZ-673C ETZ-673E
22571
75 73 67 80 76
1.7 1.4 1.8 1.2 1.2
22965 22969
72 72
1.0 22936 1.0 22916
10 ¹⁄₈
ENDT-675 ETZ-675 ENDT-676
675
7
22810 21838
8 ³⁄₈
9 9 9 9 9
22965
72
1.0
22571
75
1.7
E7-250 E7-300 E7-350 E7-400
728
22965 22970 22964 22963
75 75 76 70
1.5
1.5 22941 1.5 22940 1.2 22920
74 79 74
2.0 1.7 1.8
10 ¹⁄₈
EM7-250 EM7-275 EM7-300 ENDT-865
Vertical
866
8 ³⁄₈
21838
80
1.5
9 9 9 9 9 9 9
22965 22970 22964 22965 22970 22964 22964 22963 22963 22965 22970 22969 22966 22963 22965 22969 22966 22964 22963
78 78 72 79 79 73 75 71 71 74 74 74 65 71 76 76 66 73 70
1.2
1.2 22941 1.2 22940
81 75 79 81 75 78 73 75 75 73 76 67
0.7 1.7 1.4 0.7 1.7 1.7 1.5 1.7 1.7 0.9 0.5 1.7
ENDT-866
866
8 ³⁄₈
21838
1.3
1.3 22941 1.2 22940 1.2 22940 1.0 22920
E9-450 E9-500
998
10 ¹⁄₈ 10 ¹⁄₂
1.0
ENDT-673C 673
9 9 9 9
22571 22571
ENDT-675
675 728
E7-250 E7-300
0.6 22936 0.6 22941 0.6 22916
EM7-250 EM7-275 EM7-300
10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂ 10 ¹⁄₈
1.2
62 73
2.0 0.4
22835 c
0.3 22920
Dual Vertical
E9-450 E9-500
998
9
1.0
10 ¹⁄₈ 10 ¹⁄₈
1.0 22916
69
2.2
1.4
9
0.8 22940 0.5 22920
75 71 75 75
1.0 0.9 2.5 2.5
10 ¹⁄₈
ENDT-475 ENDT-675
475 675
4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂
10 10
22570 22570
Vertical Stack Vertical Muffler Side Inlet
E3-180 E3-210
376
3
3
8 ³⁄₈
2 2 2 2 1 1 1
21476 22551 21832 22899 21838
74 68 70 68 78
2.4 1.8 1.9 1.4 0.7
3 ¹⁄₂ 3 ¹⁄₂
4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂
4 4 4 4
4 4 4 4
11 ¹⁄₈
ENDT-475
475
8 ³⁄₈
9
22965
75
0.6
Horizontal
10 ¹⁄₈
22916
71
1.0
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