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Performance Exhaust, Performance Mufflers, Exhaust Systems, Catalytic Converter, High Performance, Race Magnum, High Flow Converter, Dynomax Exhaust, Super Turbo Muffler, Ultraflo Muffler, Dual Exhaust, Dual Exhausts, Dual Exhaust Pickups, Pickup Dual Exhaust, Truck Dual Exhaust, Truck Dual Exhausts, Magna Flow Mufflers, Magna Flow
   

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 A-1Performance
 6823 Fulton St.
 Houston, TX 77022

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 888-996-0303

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 713-722-9200

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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

 

 

 

 

40 SERIES DELTA FLOW
19.00" OAL X 13.00" CASE X 9.75" WIDE X 4.00" THICK

Flowmaster 40 Series Delta Flow

Flowmaster 40 Series Delta Flow

Flowmaster 40 Series Delta Flow

Flowmaster 40 Series Delta Flow

In/Out Part Number
2.00" 942040
2.25" 942440
2.50" 942540
3.00" 943040

In/Out Part Number
2.00" 942041
2.25" 942441
2.50" 942541
3.00" 943041

In/Out Part Number
2.00" 942042
2.25" 942442
2.50" 942542
3.00" 943042

In/Out Part Number
2.00" 942043
2.25" 942443
2.50" 942543
3.00" 943043

40 SERIES DELTA FLOW
19.00" OAL X 13.00" CASE X 9.75" WIDE X 4.00" THICK

In Out Part Number
2.00" 2.00" 9420402
2.25" 2.00" 9424402
2.25" 2.25" 9424422
2.50" 2.00" 9425402
2.50" 2.25" 9425422
2.50" 2.50" 9425400
3.00" 2.25" 9430422
3.00" 2.50" 9430402

In Out Part
Number
2.00" 2.00" 9420412
2.25" 2.00" 9424412
2.50" 2.00" 9425412
2.50" 2.25" 9425432
3.00" 2.50" 9430412
     
     
     

In Out Part
Number
2.25" 2.25" 942444
2.50" 2.50" 942544
3.00" 3.00" 943044
     
     
     
     
     


40 SERIES DELTA FLOW
19.00" OAL X 13.00" CASE X 9.75" WIDE X 4.00" THICK

409 S STAINLESS STEEL
In Out Part
Number
2.25" 2.25" 842440






     
 
409 S STAINLESS STEEL
In Out Part
Number
2.25" 2.25" 842441
2.50" 2.50" 842541
3.00" 3.00" 843041
     

409 S STAINLESS STEEL
In Out Part
Number
2.25" 2.25" 842442
     
     
     

409 S STAINLESS STEEL
In Out Part
Number
2.25" 2.25" 842443
2.50" 2.50" 842543
3.00" 3.00" 843043
     

40 SERIES DELTA FLOW
19.00" OAL X 13.00" CASE X 9.75" WIDE X 4.00" THICK
     
409 S STAINLESS STEEL
In Out Part
Number
3.00" 2.50" 8430402
3.00" 2.25" 8430422
     
     

     

 

 

 

 



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