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Exhaust whistle

exhaust whistle 2014 silverado

CiscoBetancourt

By CiscoBetancourt
May 19, 2018 in 2014-2019 Engine, Driveline, & Exhaust

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CiscoBetancourt

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CiscoBetancourt

Posted May 19, 2018

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Posted May 19, 2018

Does anyone know why me exhaust whistles only when its around 3k rpm but not when it is parked?

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wforrest08

Posted May 19, 2018

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Posted May 19, 2018

Because your truck whistles while it works...

If you still have the flapper valve in your exhaust I’d check to make sure it opens and closes freely and isn’t stuck part way open/closed.

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