FLO~PRO 4" Cat Back Dual Exhaust Kit
2011-2015 6.6L GM Duramax LML
Unleash the power of your LML with this Cat Back system from FLO~PRO. Designed to remove your DPF, DOC, and DEF--all power restricting parts of your exhaust--this dual exhaust system grants some serious power and is a must have for any Duramax LML owner!
If your turbo direct pipe has a 3 bolt flange connection, your Duramax is a 2015.5, you can find FLO~PRO exhaust systems that fit your truck in the related products below.