Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.25" Dual Outlet 20054 Cool Tube Extreme is flexible

Cool Tube Extreme is flexible enough to conform to tight bends and provide superior protection against extreme under hood temperatures

2003-2007 Sterling Truck Acterra

specifications to ensure a correct fit

1991-1991 Buick Roadmaster

Includes a selection of 20 bump stop pucks ranging from 50 to 75 durometer

Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.25" Dual Outlet 20054 Cool Tube Extreme is flexibleThis 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