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Whistling sound from exhaust at idle

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08.05.2020 21:20 # 1
iso0625
Friends whistling from exhaust at idle from my vehicle, pass when it gives light gas. That's just the case with idling. What would be the reason?
08.05.2020 21:20 # 2
GokhaN
there is a leak in there
08.05.2020 21:20 # 3
iso0625
Does it have an impact on performance?
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