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40 Series (Tm) Delta Flow Muffler

SKU: F00L 9430402


This two chamber design incorporates Flowmasters Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.


  • Durable Fully Welded 16ga Aluminized Steel
  • Race Proven Patented Delta Flow (R) Technology
  • Excellent Street/Strip And Off Road Application
  • No Internal Packing To Blowout

40 Series (TM) Delta Flow Muffler | 3.0 in. Center Inlet/2.5 in. Dual Outlet | Case Dimensions 4 in. x 9.75 in. x 13 in. | 19 in. Overall Length | Aluminized Steel |