38R has Arrived
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Laughing Gas
Joined: Aug 2009
Posts: 1,192
Likes: 7
From: Belgrade, MT
Noise
As Brendan said, it is ALWAYS there, its making a fair whistle at 65, registering no boost on the gauge, its always whistling. Otherwise, its awesome. And i dont mind the whistle, it goes well with the drone of the 6637 and all the other noise of a diesel, I really like it. Maybe that will change towing, but for now I am very happy.
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