just curious

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Jul 12, 2010 | 01:37 AM

hondrcrgirl

Thread Starter

Junior Member

Joined: Jul 2010

Posts: 5

From: lakewood, wa

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

Jul 12, 2010 | 08:21 AM

GDizzle2

HCF Member

Joined: 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

Jul 12, 2010 | 08:22 AM

StifflersMom

Cat Fuсker

Joined: Nov 1978

Posts: 7,036

From: The Moon

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