Flowmaster 50 Series Delta Flow Muffler - 3" Center Inlet / Offset Outlet Head and Shoulder Support Backup Plate Kit

Backup Plate Kit

2009-2011 GMC Savana 1500

The Evolution CTS3 reprograms your vehicle's stock computer through the OBDII port of the vehicle

and thread as needed

LS to GM F-Body 1975-81

Flowmaster 50 Series Delta Flow Muffler - 3" Center Inlet / Offset Outlet Head and Shoulder Support Backup Plate KitThe three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. 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