Hi all, something the cars always done, but ive never gotten around to asking why..

2001 Wrx (bugeye)

When it starts boosting, it seems fine, but once the car gets to about 4000 rpm or higher, the suction noise from the pod seems to just go quiet and I can barely hear it at all. It doesn't seem to lose power though.
The car only has a diff back and Pod filter (I know a pod alone isn't worth having, but I like the noise..)

Any suggestions?

hmmm boost. Quite boost indeed.

Its just harmonics and vibrations caused by the amounts of air being induced. When lower amounts, the air resonance is higher but when the air is really flowing it is lower. Thats my conclusion anyway...

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Lol, my bad. At work atm, was in a rush :P

its frequency going above what the human ear can "hear"

turbotim??

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Member of the 18-35 club and proud of it! (For another 5 years...getting old)

New toy has arrived, 1/4 mile in 11.2 sec and only 114hp!

aliens inside your motor make the noise stop

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MY02 WRX STi - sold :(
'12 Golf GTI

LOL... mine is quite quiet as well... NAWT!

Get a bigger turbo and less intake restriction if you want more induction noise!

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www.ToonMyRide.com.au

'04 E46 S/C M3 Coupe

Replace the big exhaust with a stock one, that'll let you hear everything then

Orrrrrrrrrrrrr, smash in 2 bar. Works for Kato.....

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No more GC8, sad face.
[SIGPIC][/SIGPIC]

Lol, ill be getting a full exhaust soon, and then tune.