MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit - GM8428

MBRP Exhaust Direct Replacement Downpipe.

Features

• Direct Replacement
• 20% Increased Flow Over Stock
• Richer Diesel Sound

Note: Only Works With A 3 Bolt Flange Style Connection

Installation Instructions:

• GM8428 INST - Installation Guide (PDF)