Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

What kind of improvement will I see with GT Spec Headers?

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Old Jun 2, 2004 | 11:22 AM
  #1  
Brfatal's Avatar
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Joined: Oct 2003
Posts: 2,123
From: Sterling, VA
Car Info: '02 WRX + '15 WRX
What kind of improvement will I see with GT Spec Headers?

My current performance mods are

APS CAI
Cobb AccessECU
Scoobysport Turboback Exhaust (catless)
Scoobysport Up-pipe
STI Engine Mounts
STI Transmission Mount
Kartboy Short Shifter

What kind of improvement would I expect from headers in an '02 WRX?
Old Jun 2, 2004 | 11:43 PM
  #2  
Brfatal's Avatar
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Posts: 2,123
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Car Info: '02 WRX + '15 WRX
up
Old Jun 5, 2004 | 01:38 PM
  #3  
awns729's Avatar
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From: Rockland County...NY
Car Info: want a WRX
maybe 5-15 hp, but i'm not too sure (bump)
Old Jun 5, 2004 | 08:48 PM
  #4  
Cyrus923's Avatar
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From: Knoxville, Tennessee
Car Info: 2004 WRX in WR Blue
I would say 15 plus
Old Jun 6, 2004 | 01:36 PM
  #5  
Brfatal's Avatar
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Posts: 2,123
From: Sterling, VA
Car Info: '02 WRX + '15 WRX
Anyone recommend any other non-wallet killer headers?
Old Jun 7, 2004 | 08:15 PM
  #6  
Damaged Goods's Avatar
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From: santa rosa, CA
Car Info: 04 wrx
Lightbulb

https://www.i-club.com/forums/vendor-group-buys-specials-146/v2-manifold-special-price-58670/

non wallet killers, also there is a dyno chart there so you know the power increase
plus its from a great vendor
Old Jul 13, 2004 | 12:05 AM
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From: blaine,WA
Car Info: 2002 wrx wagon black
top end power have fun
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