2001-2016 GM 6.6L DURAMAX / AFE 46-40024 BLADERUNNER EXHAUST MANIFOLDS The AFE 46-40024 BladeRunner Exhaust Manifolds feature a bolt-on design and will increase power, performance, and exhaust flow in your 2001-2016 GM 6.6L Duramax. Machined...
2001-2005 GM 6.6L DURAMAX LB7/LLY Banks 4 Monster exhaust system flows up to 176% better than stock and cuts back-pressure up to 98%. Constant-diameter to maximize flow and lower exhaust gas temperatures, the Monster exhaust pipes...