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Old 02-13-2006, 11:44 AM   #14
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Join Date: Jul 2001
Chapter/Region: NESIC
Location: WRJ, VT
2011 WRX


Originally Posted by Davenow
2002-2003 run just fine with a exh and no EM. Its not ideal, but at that low level, you will be fine.
I beg to differ. I found that with nothing more than exhaust modifications, my 02 was susceptible to boost spikes and was running an IAM of 12 due to low-RPM, low-load lean conditions.

The car was able to pull back timing to account for it, but it shows that it's not "safe" to be running that kind of hardware change without updating the engine management.
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Kha0S is offline   Reply With Quote