2001-2010 Duramax BD Diesel Exhaust Manifold Full Bore Drivers Side (1041460) 1989 Dodge Engine Components ensuring a stable valvetrain and

ensuring a stable valvetrain and worry-free performance at high RPM

while the four-axis CNC-machined flange transitions airflow seamlessly into the intake plenum

Duramax/Cummins PPE Race Fuel Valve (113073000)

Modification Required:

2001-2010 Duramax BD Diesel Exhaust Manifold Full Bore Drivers Side (1041460) 1989 Dodge Engine Components ensuring a stable valvetrain and2001 2010 GMC Chevy Duramax LB7 LLY LBZ LMM BDs Full Bore exhaust manifold restores exhaust flow balance, improves power and reduces EGTs inside the combustion chamber. All of which is accomplished by maintaining internal bore size thus maintaining turbo drive pressure.