Join Date: Apr 2010
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if you want for the OTS map then you must meet these specifications to the T:
Intended for use on a 2002-2003 WRX with
stock intake, stock fuel injectors, and a turbo-back exhaust system.
MUST USE FACTORY OR COBB SF INTAKE SYSTEM ONLY, NO OTHER AFTERMARKET
INTAKES ARE CERTIFIED COMPATIBLE WITH THIS CALIBRATION.
no where in there does it say you can use a header so yes you will need a custom tune if you intend on using it...and you can eliminate the up-pipe cat no problem its not even monitered.
and as for Macros they are just programs that will automatically fill in forms and such
thanks alot for your advice ive been followin most parts
i got the car back yesterday from getting the header and up pipe
changed to obx H/UP Pipe. the car sounds alot sweeter and definitley gets off
alot faster from a stopped position. i drive around town in third gear since the drive in the 4eat hardly likes to get below 3rd gear and lags on the get go.
I have found a tune shop that works with cobb right by my work
can i get him to tune it even if i dont have the cobb ap??
also by tuning my car to my modifications list and raising psi
this will inturn put out more whp then what im running right now without the tune???
i need answers?
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