2008 duramax whistle ?

Pizza bob

New member
May 25, 2013
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I have a 2008 duramax
I have banks intake and exhaust
I have ppe hot tuner
But I still have the stock turbo
What can I do to make this turbo whistle
Or what turbo should I buy to make it whistle loud
 

Awenta

Active member
Sep 28, 2014
4,090
2
38
CT
Get efi live and the Danville stg2r

Sent from my SM-N910V using Tapatalk
 

N2BRK

Well-known member
Dec 31, 2009
2,049
363
83
Remove the intake resonator and cap it off. Then run a 4" exhaust straight back from a 3" downpipe. That's all you can do short of a turbo swap or going full retard.