04-05 Duramax LLY High Flow Turbo MouthpieceFeatures: Increasing air flow 80% Smooth unrestricted flow designed Improves throttle response Lower EGTS keeping your engine running at cooler temperatures Increases performance 25hp and 57lbs x ft. Torque Powder coated black body CNC machined edges Looks great under the hood This is the best upgraded you can do to your LLY *NOT LEGAL IN CALIFORNIA

1190cfm flow rate

Our specialized computer driven test benches catch 100 percent of all issues before they leave our facility

Performance Testing

1/8 inch NPT oil temp

100% Drop in Replacement

The bolts are zinc plated allen head screws and the washers are stainless steel

Monitor key vehicle data on full-color

Lube level reference plug

No Muffler

Kit includes oil cooler and gasket kit

PPE’s Xtreme Damper is especially needed in high performance and modified trucks to help protect against harmful engine harmonics

No issues with sucking air when below ¼ tank