Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / 2.5" Dual Outlet-Aggressive/Moderate Sound R100032XL 1987-1989 GMC V3500

1987-1989 GMC V3500

Steel Hub / Aluminum Blades

GM Fullsize Truck 2019-22

Kit includes 5/16"-28 bolts

Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / 2.5" Dual Outlet-Aggressive/Moderate Sound R100032XL 1987-1989 GMC V3500This 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