Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet 57341111 Shoulders Adjust from 20" to

Shoulders Adjust from 20" to 62"

Race Breather

Cylinder Head Gasket

Die cast aluminum housing

Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet 57341111 Shoulders Adjust from 20" toThis 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. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Mild to Moderate Exterior