2007.5-2010 GM Duramax 6.6L LMM Single-Exit DPF-Back Kits

Give your aggressive 2007.5-2010 GM 6.6L Duramax LMM build a meaner tone and improved performance without changing up it's sleek factory appeal with a single-exit cat-back exhaust system. The aftermarket exhaust systems we offer were crafted using advanced design technologies and only high-quality materials to help maximize airflow and performance gains in every situation. Many of these kits come equipped with aggressively styled tips and powerful mufflers, while others come standard without an exhaust tip so you can choose your desired look. Pair any of these systems with an aftermarket cold air intake or performance tuner to unlock even more potential hidden under the hood of your 2007.5-2010 GM 2500/3500. GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.