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Old 01-13-2005, 09:46 AM   #1
Scooby Specialist
Member#: 32574
Join Date: Feb 2003
Chapter/Region: MAIC
Location: North Carolina
2004 STi
WRB 402whp/400wtq

Impreza WRX STi Greddy Profec B2 Experiences

I am looking for an aftermarket boost controller for my STi. Everything that I have read says that the greddy is the best and the most simple. I would love to hear people's experiences. I am looking for a little better boost response and a bit more accurate control over boost.

Any and all opinions welcomed.


Moderators: Sorry for the double post
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BLACK02WAGON is offline   Reply With Quote
Old 01-13-2005, 04:16 PM   #2
Scooby Specialist
Member#: 41049
Join Date: Aug 2003
Chapter/Region: South East
Location: Panama City FL (Tyndall AFB)
2010 Impreza WRX
KTM 250sx


I really like the profec B. I had one installed on my Skyline and it was much better than the Apex'i AVCR. I found the AVCR just too complicated. Profec B, set it and forget it! We just installed a profec B on the scoob today. I had forgotten how nice full boost in 1st gear was!
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Old 01-13-2005, 06:13 PM   #3
Scooby Specialist
Member#: 32576
Join Date: Feb 2003
Location: Allentown, PA
04 STI
Roller Barrel ITBS


My profec B will not work unless the max boost value has been cleared. This (as you can guess) is extremely anoying to have to reset every time I turn the car off. Is there anyway around it?
wgknestrick is offline   Reply With Quote

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