The BD Diesel Full Bore Exhaust Manifold for the Chevy Duramax engine replaces the restrictive factory driver's side manifold, optimizing exhaust flow and contributing to smoother V8 engine operation. Crafted from high-silicon ductile iron, this Full Bore manifold serves as a direct, bolt-in replacement for the original equipment. It also features pre-drilled and tapped ports, ready to accommodate most common EGT probes.
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