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BD Diesel cast exhaust manifold for 2007.5–2012 Ram, built from high‑silicon ductile iron as a pulse manifold designed to withstand extreme temperatures and vibration. Engineered with precision slip joints to reduce thermal fatigue, larger porting for increased power capacity, and optimized pulse flow for quicker turbo spool when used with the Holset HE351 turbo; the design includes thick walls and slip joints to minimize cracking and leaks.
BD Diesel BD Diesel Cast Exhaust Manifold - 07.5-12 Ram
