Pdx tuning
Registered User
iTrader: (2)
Joined: Sep 2006
Posts: 1,049
From: Ewa Beach Hawaii
Car Info: 2015 CWP STI
I may have been that last one for Jarrad this past Monday but here is mine. I'm not going for numbers, just for improved driveability and response from the OTS map. I expected less but to my surprise it made more and it holds all the way to redline instead of falling face flat like the previous years.

End result:
Baseline: 257.68 WHP/273.63 WTQ @ 17.5 PSI (S#)

282.42 WHP/307.12 WTQ @ 18.5 PSI (S#)

Mods:
Cobb AP V3 SUB-004 91 map NWG
Cobb SF Intake w/custom airbox
Perrin AOS
Nameless 3" catback w/5" mufflers and 3.5" staggered tips
K4RT30Y short shifter

End result:
Baseline: 257.68 WHP/273.63 WTQ @ 17.5 PSI (S#)

282.42 WHP/307.12 WTQ @ 18.5 PSI (S#)

Mods:
Cobb AP V3 SUB-004 91 map NWG
Cobb SF Intake w/custom airbox
Perrin AOS
Nameless 3" catback w/5" mufflers and 3.5" staggered tips
K4RT30Y short shifter
Last edited by joejoe69; Oct 8, 2014 at 09:21 PM.
I may have been that last one for Jarrad this past Monday but here is mine. I'm not going for numbers, just for improved driveability and response from the OTS map. I expected less but to my surprise it made more and it holds all the way to redline instead of falling face flat like the previous years.

End result:
Baseline: 257.68 WHP/273.63 WTQ @ 17.5 PSI (S#)

282.42 WHP/307.12 WTQ @ 18.5 PSI (S#)

Mods:
Cobb AP V3 SUB-004 91 map NWG
Cobb SF Intake w/custom airbox
Perrin AOS
Nameless 3" catback w/5" mufflers and 3.5" staggered tips
K4RT30Y short shifter

End result:
Baseline: 257.68 WHP/273.63 WTQ @ 17.5 PSI (S#)

282.42 WHP/307.12 WTQ @ 18.5 PSI (S#)

Mods:
Cobb AP V3 SUB-004 91 map NWG
Cobb SF Intake w/custom airbox
Perrin AOS
Nameless 3" catback w/5" mufflers and 3.5" staggered tips
K4RT30Y short shifter
Registered User
iTrader: (2)
Joined: Sep 2006
Posts: 1,049
From: Ewa Beach Hawaii
Car Info: 2015 CWP STI
None, lol. I don't plan to. But you can read and learn how to make one here.
Engine Combating Intake Heat Soak - Subaru Impreza WRX STI Forums: IWSTI.com
Engine Combating Intake Heat Soak - Subaru Impreza WRX STI Forums: IWSTI.com
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