2001-2016 GM/CHEVROLET 6.6L DURAMAX 6.6L UPGRADED NO PINCH EXHAUST MANIFOLD KIT (LH) DRIVER SIDELeft / Drivers Side Manifold Upgrade No PinchDORMAN 674-731 OE #12637647Upgrade For The 2001-2008 Stock Replacement For 2009-2016Fits All GM 6.6L Engines LB7, LLY, LBZ, LMM, LML**California Proposition 65 Warning:Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.Visit:www.p65warnings.ca.gov