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09-01-2005, 10:42 PM | #1 |
Scooby Specialist
Member#: 15854
Join Date: Feb 2002
Location: Upstate NY
Vehicle:2002 WRX VF34'd... |
STi hood scoop on 02-03 WRX --- HP gain?
Does it really help to force more air into the I/C or it's just for the that aggressive look? Will existing air splitter from WRX work fine with STi hood scoop or it needs to be modified for perfect fitment and performance?
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09-01-2005, 10:52 PM | #2 |
Scooby Specialist
Member#: 82455
Join Date: Mar 2005
Chapter/Region:
HIIC
Location: Kailua, HI
Vehicle:2006 Saab 9-3 2.0T SportCombi |
It's more for the look if you have a stock IC, though it will allow more air in just based of the physics of its greater size. However, to get the most out of the air flow and to not have a low splitter in a high scoop you'll need to get a new splitter that fits it.
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09-02-2005, 01:34 AM | #3 |
Scooby Specialist
Member#: 28197
Join Date: Oct 2002
Chapter/Region:
SCIC
Vehicle:2003 WRX w/ VF34 WRB |
It's mainly more for looks. You would need to get a larger intercooler like the STI one, but but it really isn't worth it. Besides I see that you have cobb stage2 and getting one of those isnt in the upgrade path of any of the off the shelf maps unless you plan on getting your car protuned.
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09-02-2005, 02:14 PM | #4 |
Scooby Specialist
Member#: 78314
Join Date: Dec 2004
Chapter/Region:
Tri-State
Location: 3 feet south of E. Bumblef***
Vehicle:04 PSM WRX Audi mask the right way |
Always remember, If you do one thing to your car power wise, you have to do other things for it to work right. Ex. Gigantic aftermarket turbo + stock intercooler = little gains. Big scoop +stock intercooler + stock diffuser = no difference. Now big scoop + sti diffuser + bigger intercooler = a big gain in the butt dyno. Enjoy.
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09-02-2005, 02:21 PM | #5 | |
Scooby Specialist
Member#: 69621
Join Date: Sep 2004
Chapter/Region:
TXIC
Location: CLC
Vehicle:05 mines wrx RIP still hatin ROTAS |
Quote:
its more really for looks, but it helps out when you have a bigger tmic |
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09-02-2005, 02:39 PM | #6 |
Scooby Newbie
Member#: 11205
Join Date: Oct 2001
Chapter/Region:
NWIC
Location: Tweakin your ECU-Portlandia
Vehicle:2015 WRX WRB |
i had a friend measure the IC temperature before and after going from WRX to STI Hood scoop and noticed a pretty dramatic temperature difference. So it definately cools the IC more than the wrx scoop.
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09-02-2005, 03:28 PM | #7 |
Scooby Specialist
Member#: 71795
Join Date: Oct 2004
Chapter/Region:
NESIC
Location: Thread Improvement Task Force
Vehicle:2006 Impreza WRX5spd FREAKIN' BLUE!!! |
Can you give us specific numbers on that? Keeping the IC cooler would definitely be advantageous.
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09-02-2005, 03:52 PM | #8 | |
Scooby Newbie
Member#: 11205
Join Date: Oct 2001
Chapter/Region:
NWIC
Location: Tweakin your ECU-Portlandia
Vehicle:2015 WRX WRB |
Quote:
He said it was cool enough to put his hand on it after. It was about 30-40 degrees or so if i remember correctly. |
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09-02-2005, 03:57 PM | #9 |
Scooby Guru
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Join Date: May 2001
Chapter/Region:
NWIC
Location: Edmonds, Washington, USA
Vehicle:2008 WRX STi SSM |
When I tried it on my WRX I noticed no difference at all in power.
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09-02-2005, 04:28 PM | #10 |
Scooby Specialist
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Join Date: Aug 2005
Chapter/Region:
MWSOC
Location: Cincinnati,Oh
Vehicle:'03 Build'n a 2.12L 331whp/331wtq |
I just installed the Seibon CF 04-05' style scoop on my 03' and noticed a HUGE difference. I am runnin' a Hyperflow TMIC so it really needed the additional air flow. Don't know about the o3' style sti scoop though.
When I used to check the TMIC right after beatin' on it I noticed it was quite hot. After the new scoop it is just barely above ambient temp. I have a temp gun, but never checked the old setup. It is by far worth it if you have a large TMIC and the Hyperflow is flat out GIANT! Kevin |
09-02-2005, 05:21 PM | #11 |
Scooby Guru
Member#: 65065
Join Date: Jun 2004
Chapter/Region:
Tri-State
Location: NJ
Vehicle:2004 EJ205 STi 2007 Forester STi |
ive got the stock wrx i/c with an sti scoop, noticed no difference after the switch... but i wasnt expecting any
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09-02-2005, 11:55 PM | #12 |
Scooby Specialist
Member#: 67787
Join Date: Aug 2004
Chapter/Region:
MAIC
Location: North Carolina
Vehicle:2008 STI Hatch SWP |
02/03 stock wrx hood scoops have a low air flow problem. it doesnt allow enough air to cool the IC adequately at speed of 80+ mph so it is a good idea if you ever take trips where you could see 80+ for a good amount of time.
chile |
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