Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / Outlet HASZ20GP Derale Fan Spacer 1-1/2" 31515

Derale Fan Spacer 1-1/2" 31515

1972-1972 GMC K25/K2500 Suburban

All Necessary Hardware Included

Legendary Eibach Off-Road Durability and Performance

Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / Outlet HASZ20GP Derale Fan Spacer 1-1/2" 31515This 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