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Old 03-30-2005, 04:06 PM   #1
Modifying
Scooby Newbie
 
Member#: 83521
Join Date: Mar 2005
Chapter/Region: W. Canada
Location: Calgary,Alberta
Vehicle:
05 PDX Pro-tuned
Stg2 WRX

Default Need Your Suggestion,Thank You So Much

I am thinking to modify my 05 WRX in the summer, here are my IDEAL MODS:
-Helix Downpipe(Catless)
-HKS Catback
-Perrin Up-Pipe(Catless)
I will mod them for sure,however, i was wondering that how much WHP will I gain from these?

Also, what if i dont get a UTEC, is there a BIG difference based on my mods?

since there is none tunning shop specialized in Suby where i am living, i dont know if i would get a UTEC or AP.

I've read a few threads about Ap, they have claimed that detonation and stalling have happened to 04s and 05s, so it's really a hard decision for me...

please give ur advises, i will be really appreciated.
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