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Chevy/GMC Duramax 06-07 LBZ Discussion of Chevy and GMC Trucks with LBZ Duramax Turbo Diesel Engines

Loud whistle at idle?

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Old 07-06-2015 | 05:14 PM
450r racer's Avatar
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Default Loud whistle at idle?
Just wanting to know if it is possible to get the turbo to sound like a deleted 6.7 cummins with the exhaust brake on? Not trying to start anything, just wanting to know
 
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Old 08-05-2015 | 11:43 PM
2500HeavyDuty's Avatar
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stock one doesnt get very loud, you can alter the vane positioning with tuning but that's it
 
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