ATS Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax " Disaster Kits Flowmaster's® FlowFX Direct-Fit Muffler exhaust

Flowmaster's® FlowFX Direct-Fit Muffler exhaust system for the 2020-2026 GM 2500HD and 3500HD trucks with the 6

Great way to improve performance and keep authentic period correct appearance

Street Bandit or Pro Bandit shifters

Corrosion Resistant - Black oxide finish protects against rust and harsh diesel exhaust environments

ATS Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax " Disaster Kits Flowmaster's® FlowFX Direct-Fit Muffler exhaustATS 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,