B & B Muffler

Flowmaster 40 Series Delta Flow Mufflers


Flowmaster 50 Series SUV Mufflers

Flowmaster’s Delta Flow 40 Series two chamber design incorporates Flowmaster’s patented Delta Flow technology. The “Delta” deflectors generate increased scavenging for better performance and reduced interior sound. Perfect for vehicles where an aggressive exterior tone is desired with reduced interior tone.

 

 Application Recomendations:

  • The quietest 40 Series two-chamber muffler
  • Reduced resonance over other 40 series mufflers
  • Stainless steel 409S version backed by a lifetime warranty
  • Features advanced two-chamber design & Delta Flow technology
  • Available in aluminized steel or 409S Stainless for harsh weather
  • Both styles are fully MIG-welded for maximum durability

 

 

Description Part No. List
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Details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

842440 $224.95 842440 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

842442 $224.95 842442 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

842443 $224.95 842443 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

842541 $224.95 842541 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

842543 $224.95 842543 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 3"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

8430402 $224.95 8430402 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

843041 $224.95 843041 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 3"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

8430422 $224.95 8430422 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER STAINLESS STEEL

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

843043 $224.95 843043 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942040 $190.54 942040 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9420402 $190.54 9420402 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942041 $190.54 942041 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9420412 $190.54 9420412 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942042 $190.54 942042 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942043 $190.54 942043 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942440 $190.54 942440 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942441 $190.54 942441 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942442 $190.54 942442 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9424422 $190.54 9424422 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942443 $190.54 942443 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942444 $190.54 942444 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942540 $190.54 942540 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9425400 $190.54 9425400 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9425402 $190.54 9425402 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942541 $190.54 942541 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9425412 $190.54 9425412 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942542 $190.54 942542 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.25"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9425422 $190.54 9425422 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942543 $190.54 942543 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9425432 $190.54 9425432 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

942544 $190.54 942544 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

943040 $190.54 943040 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9430402 $190.54 9430402 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

943041 $190.54 943041 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9430412 $190.54 9430412 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

943042 $190.54 943042 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 2"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

9430422 $190.54 9430422 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

943043 $190.54 943043 FLOWMASTER 40 SERIES DELTA
details
FLOWMASTER 40 SERIES DELTA FLOW MUFFLER

Inlet Diameter: 3"
Outlet Diameter: 3"
Diameter: 4"
OAL: 19"
Case Length: 13"
Width: 0"
Height: 0"
Weight: 12

943044 $190.54 943044 FLOWMASTER 40 SERIES DELTA
details

 

 

 

 

 





 

 
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