Manifold, Exhaust - 2001-2010 Duramax

-Replaces factory driver's side "pinched down" unit
-Restores exhaust flow and balances the V8 engine for smoother running
-Improves exhaust velocity to drive the turbocharger
-Improves power
-Direct, bolt-in replacement
-Tapped to accept the most popular EGT probes
-High-silicon ductile iron
-Lower EGT's