• 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 Stainless Steal Muffler
40 Series Delta Flow Stainless Steal Muffler
From: $104.02
 
Part NoApplication
842440Flowmaster Inlet/Outlet: 2.25" IN (C) / OUT (C) 40 Series Delta Flow Stainless Steal Muffler
842442Flowmaster Inlet/Outlet: 2.25" IN (C) / OUT (O) 40 Series Delta Flow Stainless Steal Muffler
842441Flowmaster Inlet/Outlet: 2.25" IN (O) / OUT (C) 40 Series Delta Flow Stainless Steal Muffler
842443Flowmaster Inlet/Outlet: 2.25" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Stainless Steal Muffler
842541Flowmaster Inlet/Outlet: 2.50" IN (O) / OUT (C) 40 Series Delta Flow Stainless Steal Muffler
842543Flowmaster Inlet/Outlet: 2.50" IN (O) / OUT (O), Opposite Side Offsets 40 Series Delta Flow Stainless Steal Muffler
8430422Flowmaster Inlet/Outlet: 3.00" IN (C) / 2.25" OUT (D): ea 40 Series Delta Flow Stainless Steal Muffler
843041Flowmaster Inlet/Outlet: 3.00" IN (O) / OUT (C) 40 Series Delta Flow Stainless Steal Muffler