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Old 04-21-2005, 01:59 AM   #1
Scooby Newbie
Member#: 48479
Join Date: Nov 2003
Location: Seattle, WA
2004 WRX STi

Default 2004 STi Tuning in Denver area

I'm in the Denver area (Boulder to be exact) and need to find somebody that is competent in tuning the 2.5L engines. What shops around here have AWD dynos? I am currently running a Vishnu turbo back exhaust and XEDE. I'm not thrilled with the XEDE but it is what I have for now. My problem is the CEL is being thrown ever since I have moved up here to altitude. It never did it at sea-level. I've had the problem for a while but have been lazy about dealing with it. FWIW, the codes thrown are misfires on all cylinders. I can't physically feel notice any ill effect or hear pinging or anything.

Anyway, help is appreciated.

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Old 04-21-2005, 03:17 AM   #2
Delicious Tuning
Member#: 1990
Join Date: Jul 2000
Location: San Diego, CA

Hi Josh,

What modifications have you done to your car. We recently finished a dyno tuning trip up to Colorado and we have quite a few maps available for high elevation. Take a look and see if anything is similiar.


William T. Knose Jr.
Lead Programmer
I-Speed USA
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Old 04-22-2005, 01:45 AM   #3
Jeff B
Scooby Newbie
Member#: 71687
Join Date: Oct 2004
Location: Summit County, CO
2005 WRX wagon
crystal grey


I recommend you contact Tarmac USA (303.442.6508x2) who happen to be in Boulder. IMO they do great work, and seem to know your engine. They also have a 4wd dyno.
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