Exhaust Manifold Kit for Dodge Ram (2009-2024) 5.7L HemiUpgraded Exhaust Manifold Kit for 2009 2024 Dodge Ram 1500, 2500, 3500 (5. 7L HEMI DS, DJ, D2, DC) What it Does: Replaces the warp prone factory exhaust manifolds with a high silicon ductile iron casting and an upgraded fastening system to permanently resolve chronic exhaust tick and gasket failure. The Stock 5. 7L HEMI Exhaust Manifold Failure The 5. 7L HEMI engine generates extreme exhaust gas temperatures, causing the factory cast iron manifolds to