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Old 08-06-2008, 11:18 AM   #1
Scooby Specialist
Member#: 183875
Join Date: Jul 2008
Chapter/Region: E. Canada
Location: waterloo, ON
2007 WRX STi Stg2

Question 08 Wrx + Td05h 18g

has anybody done this upgrade yet? i'm trying to figure out the "safest" way to do this, seeing how my car is a daily-driver + i want it to be reliable.

in general, i'm targeting low to mid 300s for hp/tq at the wheels. i think that this is the best way to do it:

however, i'm unsure if i need an injector/ fuel pump upgrade. i've read that some recommend it, others say it's not necessary for this turbo. also, i don't want to do the FMIC, as UR recommends. i'd rather upgrade my TMIC. thoughts?

currently, i'm stage 2 (3" DP, 3" CB, Cobb Stg 2 AP map). what's a safe, cost-effective next step for low 300s hp/tq + reliability + daily driver? TMIC + 18G + tune? keep in mind logistics, i.e. my tuner does not install parts, thus after parts install i still have to be able to drive the thing (about 60 miles) to the tuner.


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