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View Full Version : Plastic 6.6 box question


TraceF
01-16-2003, 18:48
The 6.6 Duramax plastic box on top of our engines that is plumbed into the air intake- what does it do? Seems like just a cavity.
srubrn
01-16-2003, 18:57
It helps quiets the engine. It stops resonance from the intake.