Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.25" Dual Outlet H775CBFM 4L Gen III HEMI engines

4L Gen III HEMI engines with fuel injection

Works with M-55HV oil pump

680" base thread length

Engages spring lock in optimal location

Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.25" Dual Outlet H775CBFM 4L Gen III HEMI enginesThis 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 Aggressive To Moderate