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Old 05-05-2005, 05:12 PM   #1
B WReX
Scooby Newbie
 
Member#: 50747
Join Date: Dec 2003
Location: Edmonton
Vehicle:
2004 WRX
silver

Question What is Cobb stage 2.5???

Can somebody please enlighten me? I always read about "Cobb Stage 2.5", but I have no clue what it means. I'm Cobb stage 2, and I've been to the cobb website many times and have seen no mention of it..

Thanks,
Brian
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Old 05-05-2005, 05:47 PM   #2
02subadrew
Scooby Specialist
 
Member#: 63083
Join Date: May 2004
Chapter/Region: RMIC
Location: SLC
Vehicle:
2002 WRX
MBP

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VF34 map using 93 octane fuel. Requires VF34 turbo, STI injectors, stock intake, stock intercooler and turboback exhaust. 320HP / 295 ft-lbs. Cat Efficiency and EGT CEL's removed. (from the cobb website, just look on the accessport map page and find any of them that use the vf34 or vf30 turbo...theres your stage 2.5)

Upgraded fuel pump is also helpful (i'm building the funds to make the switch from 2 to 2.5, although, it will not be a HUGE leap, you will notice a difference)
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