11-15 Chevy/GMC Full Exhaust System

Looking to make more power and increase your MPG on your 2011-2015 Duramax? The FLO-864NM by Flo~Pro/Jamo is your answer. It allows you to remove the restrictive OEM exhaust system and replace it with a free-flowing 4″ exhaust system from the downpipe back! Just like all of Flo-Pro’s Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. The FLO-864NM doesn’t include a muffler and is ‘intended’ for race applications!