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.

HERCULES - turbo charged diesel

D4800T

478

4 4 4 4 5

4 4 5 4 5

9

1 1 1 3 1 2 2 2 2 2 2 2 3 9

22965 22969 22966

77 77 70

0.5 22936 0.5 22916

78 72

0.9 0.9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂ 10 ¹⁄₈

0.9

66 76 78 72 66 69 66 78 75 77 80

2.0 0.2 1.5 0.8 0.6 0.6 0.7 1.7 1.9 1.3 1.6

22835 c

Single Vertical

22963

72

0.1 22920

DT-3.7L

226 2 ¹⁄₂

2 ¹⁄₂

6 ¹⁄₂ 8 ³⁄₈

21475 21476 22551 21832 22004 21832 22004 21174 22391

3

3

3 ¹⁄₂ 3 ¹⁄₂

4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂

4

D4800T

478 3 ¹⁄₂

Single Horizontal Horizontal Tail Pipe

4 4

4

10 x 15

D4800T

478 3 ¹⁄₂

4 8 ¹⁄₄ x 11 ¹⁄₂

OR

Single Horizontal Vertical Tailpipe

ISUZU - turbo charged diesel

6SA1T

513

4 4 4 5 5

4 4 4 5 5

9

1 1 3 1 1 2 2 2

22965 22969

71 71

0.8 22936 0.8 22916

71 65 57 72 71 67 70

1.2 1.3 2.6 0.3 1.9 2.1 1.5

10 ¹⁄₈ 10 ¹⁄₂ 10 ¹⁄₈ 10 ¹⁄₈

22835 c

22963 22963

72 72

0.2

Single Vertical

0.2 22920

6SA1T

513 3 ¹⁄₂

4 8 ¹⁄₄ x 11 ¹⁄₂ 4 8 ¹⁄₄ x 11 ¹⁄₂

21832 22004 21174

4 4

4

10 x 15

Single Horiztonal Horizontal Tail Pipe

6SA1T

513 3 ¹⁄₂

4 8 ¹⁄₄ x 11 ¹⁄₂

9

22391

72

2.2

OR

Single Horizontal Vertical Tailpipe

MACK - naturally aspirated diesel

END-475

475

4 4 4 4 4 4 4 4 4 4 4 4

4 4 4 4 4 4 4 4 4 4 4 4

8 ³⁄₈ 8 ³⁄₈

3 1 1 1 3 1 1 1 3 1 1 1

22827 21838

80 80 80 74 81 81 80 74 81 81 80 74

1.5 0.6 0.8 1.0 1.5 0.7 0.9 1.1 1.8 0.8 0.9 1.1

9

22965 22969

78 78

0.5 22936 0.5 22916

10 ¹⁄₈

END-672 END-673

672

8 ³⁄₈ 8 ³⁄₈

22827 21838

9

22965 22969

78 78

0.6 22936 0.6 22916

10 ¹⁄₈

Vertical In-Line Engine

END-707 END-711

707

8 ³⁄₈ 8 ³⁄₈

22827 21838

9

22965 22969

78 78

0.6 22936 0.6 22916

10 ¹⁄₈

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