Magnaflow Pro Series Filter Back 5" Exhaust System, 2007.5, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2021, 2023 GM 6.6L Duramax LMM LML L5P, Crew and Extended Cabs.
The Magnaflow 17870 5" Pro Series Filter-Back Exhaust System has a lifetime backed stainless steel construction, a muffler-less design and mirror polished welded intercooled tips. The best value system with a no hassle emissions legal design.