ATS Diesel 204-900-4248 Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax Air Intake Systems 6L Duramax chassis injector connector

6L Duramax chassis injector connector

All Mounting Hardware Provided

000 Mile Warranty

Flange Height 1

Bolt-In Replacement

ATS Diesel 204-900-4248 Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax Air Intake Systems 6L Duramax chassis injector connectorATS Pulse Flow Exhaust Manifolds for the 2001 to 2004 6. 6L Duramax offer far less restriction than stock manifolds and up pipes. Channel areas were increased dramatically resulting in a 26 percent increase in airflow. Not only will the Pulse Flow manifolds improve performance, they are a leap forward on reliability. Cast out of High Silica Moly, these manifolds have the ability to run through more heat cycles (lifetimes worth) without fatigue,