Flowmaster 943041 40 Series, Delta Flow Muffler NOT RETURNABLE Unleash your Monster with FlowMonster

Unleash your Monster with FlowMonster chambered mufflers

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Flowmaster 943041 40 Series, Delta Flow Muffler NOT RETURNABLE Unleash your Monster with FlowMonsterThis two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.