Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet Intercooler Manifold 1/16 x 1/16 x 3/16

1/16 x 1/16 x 3/16 in Thick

Cast aluminum 45° water neck fits small block Ford

Should you need to replace your foam element

Transmission Controller Cable

2004-2008 GMC W4500 Forward

Flowmaster 40 Series Delta Flow Muffler - 2.25" Offset - Inlet / 2.25" Opposite Side Offset Outlet Intercooler Manifold 1/16 x 1/16 x 3/16This 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