• The Flowmaster 40 Series Delta Flow Muffler boasts famous Flowmaster power and torque with a milder tone and reduced interior resonance
  • The ideal muffler for late-model performance cars and dual-exhaust cruisers
  • Quality Flowmaster muffler crafting uses aluminized steel for corrosion resistance and precise mig welds for maximum durability
  • The Flowmaster 40 Series Delta Flow Muffler utilizes Delta Flow deflector technology for noise reduction and superior exhaust scavenging
  • Original two-chamber design maximizes horsepower and torque
  • Casing embossed with the Flowmaster name
  • Your Flowmaster 40 Series Delta Flow Muffler carries a 3-year warranty

 
40 Series Delta Flow Standard Mufflers
40 Series Delta Flow Standard Mufflers
From: $90.03
 
Part NoApplication
942040Flowmaster Inlet/Outlet: 2.00" IN (C) / OUT (C) 40 Series Delta Flow Standard Mufflers
9420402Flowmaster Inlet/Outlet: 2.00" IN (C) / OUT (D) 40 Series Delta Flow Standard Mufflers
942042Flowmaster Inlet/Outlet: 2.00" IN (C) / OUT (O) 40 Series Delta Flow Standard Mufflers
942041Flowmaster Inlet/Outlet: 2.00" IN (O) / OUT (C) 40 Series Delta Flow Standard Mufflers
9420412Flowmaster Inlet/Outlet: 2.00" IN (O) / OUT (D) 40 Series Delta Flow Standard Mufflers
942043Flowmaster Inlet/Outlet: 2.00" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Standard Mufflers
9424402Flowmaster Inlet/Outlet: 2.25" IN (C) / 2.00" OUT (D) 40 Series Delta Flow Standard Mufflers
9424422Flowmaster Inlet/Outlet: 2.25" IN (C) / 2.25" OUT (D) 40 Series Delta Flow Standard Mufflers
942440Flowmaster Inlet/Outlet: 2.25" IN (C) / OUT (C) 40 Series Delta Flow Standard Mufflers
942442Flowmaster Inlet/Outlet: 2.25" IN (C) / OUT (O 40 Series Delta Flow Standard Mufflers
9424412Flowmaster Inlet/Outlet: 2.25" IN (O) / 2.00" OUT (D) 40 Series Delta Flow Standard Mufflers
942441Flowmaster Inlet/Outlet: 2.25" IN (O) / OUT (C) 40 Series Delta Flow Standard Mufflers
942443Flowmaster Inlet/Outlet: 2.25" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Standard Mufflers
942444Flowmaster Inlet/Outlet: 2.25" IN (O) / OUT (O), Same Side Offsets 40 Series Delta Flow Standard Mufflers
9425402Flowmaster Inlet/Outlet: 2.50" IN (C) / 2.00" OUT (D)v 40 Series Delta Flow Standard Mufflers
9425422Flowmaster Inlet/Outlet: 2.50" IN (C) / 2.25" OUT (D): ea 40 Series Delta Flow Standard Mufflers
9425400Flowmaster Inlet/Outlet: 2.50" IN (C) / 2.50" OUT (D) 40 Series Delta Flow Standard Mufflers
942540Flowmaster Inlet/Outlet: 2.50" IN (C) / OUT (C) 40 Series Delta Flow Standard Mufflers
942542Flowmaster Inlet/Outlet: 2.50" IN (C) / OUT (O) 40 Series Delta Flow Standard Mufflers
9425432Flowmaster Inlet/Outlet: 2.50" IN (O) / 2.25" OUT (D): ea 40 Series Delta Flow Standard Mufflers
942541Flowmaster Inlet/Outlet: 2.50" IN (O) / OUT (C) 40 Series Delta Flow Standard Mufflers
942543Flowmaster Inlet/Outlet: 2.50" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Standard Mufflers
942544Flowmaster Inlet/Outlet: 2.50" IN (O) / OUT (O), Same Side Offsets 40 Series Delta Flow Standard Mufflers
9425412Flowmaster Inlet/Outlet: 2.50"/2.00" (O) IN / (D) OUT DUAL 40 Series Delta Flow Standard Mufflers
9430422Flowmaster Inlet/Outlet: 3.00" IN (C) / 2.25" OUT (D): ea 40 Series Delta Flow Standard Mufflers
9430402Flowmaster Inlet/Outlet: 3.00" IN (C) / 2.50" OUT (D) 40 Series Delta Flow Standard Mufflers
943040Flowmaster Inlet/Outlet: 3.00" IN (C) / OUT (C): ea 40 Series Delta Flow Standard Mufflers
943042Flowmaster Inlet/Outlet: 3.00" IN (C) / OUT (O) 40 Series Delta Flow Standard Mufflers
9430412Flowmaster Inlet/Outlet: 3.00" IN (O) / 2.50" OUT (D): ea 40 Series Delta Flow Standard Mufflers
943041Flowmaster Inlet/Outlet: 3.00" IN (O) / OUT (C) 40 Series Delta Flow Standard Mufflers
943043Flowmaster Inlet/Outlet: 3.00" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Standard Mufflers
943044Flowmaster Inlet/Outlet: 3.00" IN (O) / OUT (O), Same Side Offsets: ea 40 Series Delta Flow Standard Mufflers