Sounds like WG flutter...as it only happens on light accel. This is also confused with compressor surge, but that only happens on decel which is not the case here.

TeamWookie04wrx

June 26, 2008

wastegate flutter u can tighten that up on the connecting rod to the actuator just loosen the nuts and spin it a few times and retighten

EJ205

June 24, 2008

Its just wastegate flutter

RedRex26

June 24, 2008

also if you have a divorced wastegate downpipe the sound is more pronounced

RedRex26

June 24, 2008

its perfectly fine its wastegate flutter mine sounds the same way and i have no leaks

Jprice6045

June 24, 2008

lol...dont know about you but sounds the same as mine! Cobb stage 2....

riggy30

June 23, 2008

Do you have a turbo upgrade on there? Check the recirc bypass hose coming of the BPV that goes to your turbo inlet and make sure it isn't kinked anywhere- I had this problem and my car sounded similar. Good luck!

05STiGuy

June 23, 2008

No problem. Glad I could help.

thadd677

June 23, 2008

thanks for the info 05STiguy... that thread answered all of my questions. I guess I'll just leave this vid up for other people to reference

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thadd677
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Added: Jun 22, 2008

Trying to get input on the "fluttering" noise on light accel. Checked for exhaust leaks but didn't ...

Trying to get input on the "fluttering" noise on light accel. Checked for exhaust leaks but didn't find any... is this normal??

- Full turbo-back exhaust (4" downpipe)
- Cobb stage 2 protuned

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