just curious

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07-12-2010, 01:37 AM

hondrcrgirl

Junior Member

Thread Starter

Join Date: Jul 2010

Location: lakewood, wa

Posts: 5

just curious

i just wanna know what the whistling sound is on some cars when they shift gears its only on sticks tho. i know dumb question but im curious what does that

07-12-2010, 08:21 AM

GDizzle2

HCF Member

Join Date: Feb 2010

Posts: 112

Depending on what set up they have, its either the CAI (cold air intake) or if it makes a "sssph!" sound its a blow-off valve from a turbo set up
No question is dumb.... well... hehe j/k

07-12-2010, 08:22 AM

StifflersMom

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Join Date: Nov 1978

Location: The Moon

Posts: 7,032

It's a drift whistle...

well not really, it's a blow off valve on turbo equipped cars that relieves air pressure in the charge piping when the throttle is shut to prevent damage to the turbo