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Old 07-11-2003, 11:35 AM   #1
SubaruImpreza_power
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Question Turbo Spooling

Can you hear the turbo spooling up from the outside of the car?

I can't remember hearing a Wrx turbo.
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Old 07-11-2003, 02:20 PM   #2
Ken S
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I don't know from outside of the vehicle, but it's hard to hear the XT turbo spooling from inside the vehicle. I noticed that the WRX spool up is a lot more prominent. It's probably a function of soundproofing as well as boost levels. They are supposed to be the same turbo.

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Old 07-11-2003, 02:42 PM   #3
Jack Brown
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Default Spooling

Ken says "I don't know from outside of the vehicle, but it's hard to hear the XT turbo spooling from inside the vehicle."

I didn't hear mine during the first few days, but probably only because I wasn't paying attention. Now, so long as there isn't a lot of other ambient noise (radio, etc) I can hear mine very distinctly - low but still-audible note even when below '0' on the boost gauge, climbing in pitch as the gauge swings past 0 to low positive boost, and climbing further with rising boost. It's quite entertaining to apply fluctuating throttle and listen to the turbo rise and fall and rise again. People riding in my XT aren't typically aware of it unless/until I point out what to listen for - and then they hear it easily.

As to whether or not it can be heard from outside the XT, I'd have to ride alongside while somebody else drove it. No way, Jose!

jb
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Old 07-11-2003, 04:07 PM   #4
agent007kimball
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I can imagine it being fairly quiet from the outside. A turbo change will alter that sound dramatically. When I floor it, both the inside and outside of the car sound like a hurricane!
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Old 07-14-2003, 02:07 PM   #5
Jaxx
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i would postualte that is the absence of the cat in the up pipe that makes it louder than the wrx spool noise
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