Intake manifold

imprezkid · 10-15-2004, 09:43 AM

I'm lookin for a stock intake manifold that will fit the 02 ej25 engine, will a wrx manifold fit? there alot easyer to find.

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imprezkid · 10-15-2004, 09:44 AM

will gc8 fit?

RyansJDMgc8 · 10-16-2004, 06:40 AM

NO they will not fit. The heads have to be the same model as the intake manifold. If you put wrx heads on your car, then you could use a wrx intake manifold.

RyansJDMgc8 · 10-16-2004, 06:41 AM

A 99-01 GC8 intake manifold should be ok but double check on that.

orndog · 10-16-2004, 09:20 AM

I'd check to see if the new plastic ones fit.

jamesfacts · 10-16-2004, 04:13 PM

IIRC, an SOHC manifold should work.

PabloEscobar'd · 10-16-2004, 06:10 PM

check out my thread in private classifieds.. it *might* be of som use to you, not really sure though.

imprezkid · 10-17-2004, 06:52 PM

so 99 rs intake manifold will fit

Section 8 · 10-20-2004, 12:45 PM

You need to decide which injectors you want to use. 99 manifold will only fit 99 injectors. WRX manifold will not fit 2000-on injectors. They will fit 99 injectors by just widening the top of the injector pocket. THe WRX manifold is larger than the RS intake ports, so is not really a long term solution to begin with.

You need to purchase a 2000-2004 NA 2.5 manifold to use the more common injectors. THe plastic manifold will work, but will need a few things to work.

cheeRS,

Greg

jeffg · 10-20-2004, 01:14 PM

I have a 2001 2.5RS manifold extra at home. If someone needs it, please let me know. I have idle control motor, fuel rails and injectors too.

10-15-2004, 09:43 AM	#1
imprezkid Scooby Specialist Member#: 71462 Join Date: Sep 2004 Chapter/Region: MWSOC Location: Des Moines, IA Vehicle: 2001 2.5rs STM	Intake manifold I'm lookin for a stock intake manifold that will fit the 02 ej25 engine, will a wrx manifold fit? there alot easyer to find. * Registered users of the site do not see these ads.

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10-15-2004, 09:44 AM	#2
imprezkid Scooby Specialist Member#: 71462 Join Date: Sep 2004 Chapter/Region: MWSOC Location: Des Moines, IA Vehicle: 2001 2.5rs STM	will gc8 fit?

10-16-2004, 06:40 AM	#3
RyansJDMgc8 Scooby Newbie Member#: 65462 Join Date: Jul 2004 Location: Riverside CA USA Vehicle: 01' 2.5RS Silver/Carbon Fiber	NO they will not fit. The heads have to be the same model as the intake manifold. If you put wrx heads on your car, then you could use a wrx intake manifold.

10-16-2004, 06:41 AM	#4
RyansJDMgc8 Scooby Newbie Member#: 65462 Join Date: Jul 2004 Location: Riverside CA USA Vehicle: 01' 2.5RS Silver/Carbon Fiber	A 99-01 GC8 intake manifold should be ok but double check on that.

10-16-2004, 09:20 AM	#5
orndog Visiting NASIOC Timeout Member#: 34670 Join Date: Mar 2003 Chapter/Region: South East Location: Atlanta Vehicle: If she smokes she pokes	I'd check to see if the new plastic ones fit.

10-16-2004, 04:13 PM	#6
jamesfacts NASIOC Supporter Member#: 51282 Join Date: Dec 2003 Chapter/Region: Tri-State Location: Brooklyn NYC / Danbury CT Vehicle: 98 RS black & blue from parking	IIRC, an SOHC manifold should work.

10-16-2004, 06:10 PM	#7
PabloEscobar'd * Banned * Member#: 69833 Join Date: Sep 2004 Location: the rooftop Vehicle: 2000 Impreza 2.5RS Blue	check out my thread in private classifieds.. it might be of som use to you, not really sure though.

10-17-2004, 06:52 PM	#8
imprezkid Scooby Specialist Member#: 71462 Join Date: Sep 2004 Chapter/Region: MWSOC Location: Des Moines, IA Vehicle: 2001 2.5rs STM	so 99 rs intake manifold will fit

10-20-2004, 12:45 PM	#9
Section 8 Scooby Specialist Member#: 821 Join Date: Jan 2000 Chapter/Region: MWSOC Location: "Like a hyena you are..."	You need to decide which injectors you want to use. 99 manifold will only fit 99 injectors. WRX manifold will not fit 2000-on injectors. They will fit 99 injectors by just widening the top of the injector pocket. THe WRX manifold is larger than the RS intake ports, so is not really a long term solution to begin with. You need to purchase a 2000-2004 NA 2.5 manifold to use the more common injectors. THe plastic manifold will work, but will need a few things to work. cheeRS, Greg

10-20-2004, 01:14 PM	#10
jeffg Scooby Guru Member#: 2958 Join Date: Nov 2000 Chapter/Region: NWIC Vehicle: 2001 WRX (GC8)	I have a 2001 2.5RS manifold extra at home. If someone needs it, please let me know. I have idle control motor, fuel rails and injectors too.