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07-09-2010, 12:19 PM | #1301 |
Scooby Newbie
Member#: 179989
Join Date: May 2008
Vehicle:2006 2.5i Sedan Steel Gray Metallic |
Two things regarding the WRX seal- Don't trim the front out of your stock, front seal(dotted line in the recent pic). Air will blast up from the front of the radiator, thru ducts specifically placed to feed the ram-air scoop. Having the front seal intact will keep your engine bay much cleaner.
Second, I've had residential weatherstripping sealing the ram-air duct for over a year, roughly 30,000 miles, no degradation what-so-ever.
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07-09-2010, 03:05 PM | #1302 |
Scooby Newbie
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Join Date: Apr 2010
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NESIC
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Vehicle:07 2.5i cgm |
To clarify...sorry if I posted it bad.
You only trim the stock AFTER the wrx seal is in place. Otherwise it serves no purpose for the scoop. The seal wraps around the duct tightly as I mentioned before, making it impossible for more than average dirt to get in. Cutting the seal and then not sealing around the intake scoop is another story... Only reason I went with the OEM seal was for perfect fitment. It has a bend to it with a rubber wall, not just a skinny seal. The holes are already there and it clips in nice and tight. I usually like to try a DIY approach but for this I didn't want to mess around. I can post a pic later of the part off/on my car. |
07-09-2010, 04:10 PM | #1303 | |
Scooby Specialist
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Join Date: Nov 2009
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Quote:
If anything...save yourself $38.00 Find a wrx owner that has a sri and see if they'll give you theirs. |
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07-09-2010, 04:50 PM | #1304 |
Scooby Newbie
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Join Date: Apr 2010
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NESIC
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Vehicle:07 2.5i cgm |
Yea or a scrap yard. Put on cleanly (prep area) good weather stripping should be fine.
Not sure where these prices are coming from but the part is $17-20 local or $26 shipped. |
07-09-2010, 04:54 PM | #1305 |
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My price came from the local Suby dealership. That is why I went and bought $8 worth of weatherstripping.
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07-09-2010, 05:01 PM | #1306 |
Scooby Newbie
Member#: 245141
Join Date: Apr 2010
Chapter/Region:
NESIC
Location: MA
Vehicle:07 2.5i cgm |
Holy crap that's some crazy markup. I am hoping they quoted you on the wrong part.
My last car I had to drive almost an extra hour for major service because it was cheaper. Both were Acura dealers. |
07-10-2010, 10:42 AM | #1307 | |
Scooby Newbie
Member#: 192709
Join Date: Oct 2008
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W. Canada
Location: Calgary, AB CANADA
Vehicle:2007 2.5iSE Wagon CG 2001 2.5RS Coupe RBP |
Quote:
Picture of my hood seal back on post 918. Works good, last long. No need to trim anything. Lots of room for air to get in. This is not a RAM AIR duct or anything like that, so don't fool yourselves. It just picks up cooler air from in front of the rad. |
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07-11-2010, 01:34 AM | #1308 |
Scooby Specialist
Member#: 168129
Join Date: Jan 2008
Chapter/Region:
SCIC
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Vehicle:2013 WRX WRBP |
Why cant we just trim our stock seal? Wont the air get to the duct just as well?
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07-11-2010, 11:30 AM | #1309 |
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The seal is there to keep bugs and dust and water and such out of your engine bay. It doesn't do a great job, but it serves a purpose. Cutting the seal will be of no benefit, so why do it?
Or do whatever you want, doesn't bother me. |
07-11-2010, 04:25 PM | #1310 | |
Scooby Specialist
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Join Date: Jan 2008
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Vehicle:2013 WRX WRBP |
Quote:
Cutting your stock seal is of great benefit....other wise it blocks airflow to your duct......and I have been running mine that way for about 4 thousand miles with no difference in engine bay filth... |
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07-12-2010, 12:07 PM | #1311 |
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Vehicle:2006 2.5i Sedan Steel Gray Metallic |
I bet there is minimal flow difference between a cut seal and an un-cut one. There are plenty of vents above the radiator that channel air directly into the WRX duct, and they are behind the front seal. I cut mine before I noticed the vents of course. When the air hits the radiator first, particles will stay in the radiator instead of clogging up the air intake filter. It's a great stock set-up, clean and effective.
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07-12-2010, 01:25 PM | #1312 |
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I really do hate to drag this out, but what benefit is that? I know I know air flow to the duct and such, but could you perhaps put some numbers behind that? IAT? MAFv? I guess you can't really do a before after on that, maybe if I have time I'll pull my lip seal aside and go for a log ride.
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07-13-2010, 02:22 AM | #1313 |
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You guys have to stop thinking that the wrx intake duct is some kind of ram air setup...cause it isn't
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07-13-2010, 01:57 PM | #1314 |
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07-13-2010, 03:31 PM | #1315 |
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Cutting the weatherstripping doesn't do anything productive
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07-13-2010, 07:26 PM | #1316 |
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The WRX trumpet can't pressurize the intake tract the union between the trumpet and the helmholtz resonator isn't sealed. The helmholtz resonator has several holes in it. The union between the resonator and the airbox isn't pressure sealed. All the WRX trumpet does is give the intake access to colder air
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07-14-2010, 06:43 PM | #1317 |
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Location: Detroit, MF'er!
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Yeah, it does. I have actual data to prove it, too. But without the correct seal for the new intake air source I couldn't say what happens. And the effect is minimal at highway speeds and most apparent at city driving speeds. besides, why would subaru design a funky hood seal for the turbo models if it could just use the same one for all 3 models?
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07-14-2010, 08:08 PM | #1318 |
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Vehicle:2002 Forester S |
EDIT: Never mind, I was confused because I stopped getting e-mails for this thread at random and missed a page.
Last edited by Soul Shinobi; 07-16-2010 at 12:18 AM. |
07-15-2010, 04:57 AM | #1319 | |
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Quote:
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07-15-2010, 10:36 AM | #1320 |
Scooby Newbie
Member#: 245141
Join Date: Apr 2010
Chapter/Region:
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Location: MA
Vehicle:07 2.5i cgm |
Sorry I opened this can and if I lead people in the wrong direction.
"And the effect is minimal at highway speeds and most apparent at city driving speeds." Funny I cut mine for a more direct air path, because I do allot highway driving . But either works for me Yes air flows over the radiator. But with it cut you can now clearly see the duct from the front of the car in the hood gap.(using a flashlight) I have kept the cut piece of seal just in case anything negative came from this, but so far nothing has. Other than maybe the air filter getting dirtier faster, too soon to tell on that. I agree Flight the seal keeps engine heat out . I would think it also traps incoming air directly to the duct. I would love to see some data also. No one can truly say this is or is not worth doing w/o any hard facts. Just using common sense, to ME it looked like a simple solution for a more direct air path. If I'm wrong, it wouldn't be the first time |
07-15-2010, 10:48 AM | #1321 |
Scooby Newbie
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Join Date: May 2008
Vehicle:2006 2.5i Sedan Steel Gray Metallic |
Flightwatch my buddy's got an '07 WRX, and the only difference in weatherstripping between his and my '06 2.5i is the piece that seals in the bigger air-duct. Otherwise it is the same. As mentioned earlier, our hoods have the holes for that piece, but lack the actual piece. Peace.
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07-15-2010, 11:04 AM | #1322 |
Scooby Newbie
Member#: 245141
Join Date: Apr 2010
Chapter/Region:
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Location: MA
Vehicle:07 2.5i cgm |
/\ Yep
Made things much easier for installing. Or if you used weather striping its a perfect guide to follow. No wrx snorkus yet, but the beer coozie is holding up |
07-15-2010, 11:49 AM | #1323 |
Scooby Newbie
Member#: 179989
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ha ha coozie FTW!
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07-15-2010, 04:20 PM | #1324 |
Scooby Specialist
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What chuds said is logical. Cutting the stock weatherstripping in front of the intake duct would make one think that you would draw in more air....But, as Ty pointed out, the intake isn't pressurized because there are holes in the resonator. If the intake system was 1 solid piece without holes in it, it could pressurize...thus creating a form of ram air. All that the intake duct does is give the intake access to cooler air (and it makes the engine bay look much better.)
I am not saying that it is detrimental to cut the weatherstripping in front of the duct. I just want to know how it helps since the duct is already drawing in outside air from in front of the radiator. I also wanted to stop the whole "cutting my weather stripping gave me like 50 wheelz horsepowa brah" stuff that was starting to happen. |
07-16-2010, 03:13 AM | #1325 |
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Vehicle:2007 2.5i wagon satin white pearl |
My Check engine light is on and i currently have the hybrid intake installed. I have had the intake on for almost a year. It just started to get hot, triple digit heat, and the check engine light comes on with the p0420 code(catalytic emissions). I installed the stock intake and reset and ran it for a couple weeks no light. Install the hybird and the light comes back on. only other engine mods are iridium plugs wrx axle back.
Any thoughts? will the o2 sensor spacer fix it and not mess anything else up? |
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