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.

CUMMINS - turbo charged diesel - Cont.

NH-220-T NHC250-T (Turbo Kits)

855

4 4 4 4 4 4 5 5 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5 4 4 4 4 5 5

4 4 4 4 4 4 5 5 4 4 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5 4 4 5 4 5 5

9

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

40247 40247 40247 40247 40247 40247 40364 40364 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364 40247 40247 40247 40247 40364 40364

22965 22969

72 72

0.1 22936 0.1 22916

72 66 60 72 66 61 73 71 74 68 64 74 72 75 69 66 77 73 73 67 61 75 70 71 65 59 73 68 75 69 63 77 73 76 70 64 77 73 72 66 60 76 74 77 71 65 80 77

0.4 1.3 1.1 0.6 1.4 1.2 0.2 0.2 0.7 1.6 1.4 0.4 0.2 0.9 1.7 1.7 0.5 0.4 0.8 1.7 1.6 0.5 0.4 0.8 1.7 1.6 0.5 0.4 0.9 1.9 1.7 0.7 0.6 1.1 2.2 2.0 0.8 0.8 1.2 2.1 2.1 0.8 0.7 1.3 2.3 2.4 0.9 0.8

10 ¹⁄₈ 10 ¹⁄₂

22835 c

NTC-230 NTC-230 Formula

855

9

22965 22969

72 72

0.3 22936 0.3 22916

10 ¹⁄₈ 10 ¹⁄₂

22835 c

9

22964 22963 22965 22969 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966 22964 22963 22965 22969 22966

72 68 73 73 73 70 75 75 67 75 71 73 73 65 73 68 71 71 64 72 66 75 75 68 76 71 76 76 70 76 73 72 73 66 74 72 75 73 70

0.1 22940 0.1 22920 0.4 22936 0.4 22916 0.2 22940 0.1 22920 0.5 22936 0.5 22916 22835 c

Vertical with Wye Connector V-Engine

10 ¹⁄₈

NTC-250 NTC-250 Formula

855

9

10 ¹⁄₈ 10 ¹⁄₂

9

10 ¹⁄₈

NTC-270 PT-270 NTC-335 NTC-335 Formula N14-330

855

9

APPLICATION BY ENGINE

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.0

22835 c

9

10

0.3 22940 0.3 22920 0.4 22936 0.4 22916

10 ¹⁄₈

DUTY TRUCK GVW 3-6

MEDIUM

NTC-290 NTC-290 Formula

855

9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.0

22835 c

9

0.3 22940 0.3 22920 0.4 22936 0.4 22916

SCHOOL BUS

10 ¹⁄₈

NTC-300 N14-310

855

9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.0

22835 c

9

0.3 22940 0.3 22920 0.5 22936 0.5 22916

10 ¹⁄₈

NTC-350 N14-310

855

9

AGRICULTURAL MUFFLER SPECS

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.0

22835 c

9

0.3 22940 0.5 22920 0.7 22936 0.7 22916

Vertical Duals Split-Single

10 ¹⁄₈

PT-330 NTF-365 NTA-370 N14-370 N14-370

855

9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.1

22835 c

9

0.5 22940 0.6 22920 0.8 22936 0.7 22916

10 ¹⁄₈

O.E. CROSS

REFERENCE

NTC-400 N14-410

855

9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.4

22835 c

9

0.6 22940 0.6 22920 0.8 22936 0.7 22916

10 ¹⁄₈

NTA-400 NTA-420 N14-430

855

9

10 ¹⁄₈ 10 ¹⁄₈ 10 ¹⁄₂

1.4

22835 c

9

22964 22963

78 75

0.7 22940 0.7 22920

10 ¹⁄₈

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