04-05 Duramax LLY High Flow Turbo Mouthpiece Exhaust isn't permanent and won't lower

isn't permanent and won't lower your resale value

O-rings require no gaskets or sealant

which streamlines the overall appearance and provides a firm

Retains drivability

0L Powerstroke’s cylinder heads from lifting due to higher combustion pressures

04-05 Duramax LLY High Flow Turbo Mouthpiece Exhaust isn't permanent and won't lowerFeatures: 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