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Old 08-15-2003, 03:50 PM   #24
Scooby Specialist
Member#: 19467
Join Date: May 2002
Chapter/Region: SCIC
Location: Chatsworth, CA.
04 WRX STi
WR Blue - original owner


APS Turbo back here along with APS 65 mil. intake.

Tremendous overall improvement. Boost increased to 15.5psi, I have EGT, A/F and BOOST gauges. I forgot to reset ECu and car backfired (or afterfired) constantly for a couple of days after installation but eventually went away. The gauges now register normal activity after 2 days. I am estimating @ least 20 hp increase on ButtDyno!

It has been about a month now and no CE lights from Exhaust nor from intake. No droning, a little loud @ WOT since this turbo-back was actually designed for the 2 litre WRX, never got this loud on the WRX.
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