BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance AA0112EG2T54 1979-1993 GMC G3500

1979-1993 GMC G3500

Special high temperature epoxy resists shock and vibration

Flap on the skirt is sealed with Velcro to eliminate dust for flames from entering

2019-2024 GMC Sierra 1500 Crew Cab Pickup

BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance AA0112EG2T54 1979-1993 GMC G3500The BD Full Bore Exhaust Manifold for the Chevy Duramax engine replaces factory driver's side "pinched down" unit, restoring exhaust flow and balances the V8 engine for smother running. Flow design will accommodate enhanced performance engines by aiding them in improving exhaust velocity to drive the turbocharger, improving power, increasing economy and lowering EGT's. Made from high silicon ductile iron, the Full Bore is a direct, bolt in replacement