ATS Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax " Disaster Kits external 2-piece girdle used to

external 2-piece girdle used to eliminate 68RFE cracked case failures

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

Wherever you take your truck

Street Bandit or Pro Bandit shifters

ATS Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax " Disaster Kits external 2-piece girdle used toATS 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,