Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel

Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo.

Features:

• 3" Downpipe
• High Temp Black Ceramic Coating
• Heat Wrap

Replaces:

• GM Part# 12643610, 12638304, 12643214

Notes:

• 2015.5 and newer LML have a 3 bolt flange exhaust system, this down pipe will only work if you use a 2011-2014 style exhaust system with v-band connection.
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA