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Old 02-12-2012, 10:34 AM   #1
JRod25314
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Default '12 Impreza Cold Air Intake

Just purchased a 2012 Impreza 2.0i premium sedan with CVT. Any suggestions on a cold air intake? Will this void a warranty? Any tuning involved?
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Old 02-12-2012, 10:44 AM   #2
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I doubt there is anything for that car yet. It's brand new and it would definitely void your warranty if you got it tuned. Best bet is to check if Subaru has anything for through SPT, or wait for the BRZ to come out because that has the same motor and there should be upgrades for that. Also CVT's arent great for performance so you would be limited as to how much power you can put through them.

Just lettin you know!
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Old 02-12-2012, 11:15 AM   #3
JRod25314
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Originally Posted by Imprezzedwitsubies
I doubt there is anything for that car yet. It's brand new and it would definitely void your warranty if you got it tuned. Best bet is to check if Subaru has anything for through SPT, or wait for the BRZ to come out because that has the same motor and there should be upgrades for that. Also CVT's arent great for performance so you would be limited as to how much power you can put through them.

Just lettin you know!
Thanks for the info. Guess I'll just have to wait a little longer.
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Old 02-12-2012, 12:15 PM   #4
subiTWO
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It's GOT a cold air intake. Have you opened the hood? If you're worried about maximum airflow, change the filter out every 6 months.

You aren't going to improve airflow thru the stock manifold by putting some third-party junk on the car...
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Old 03-10-2012, 08:33 AM   #5
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Quote:
Originally Posted by JRod25314 View Post
Just purchased a 2012 Impreza 2.0i premium sedan with CVT. Any suggestions on a cold air intake? Will this void a warranty? Any tuning involved?
I bought a K&N Apollo Universal Closed Intake Systems for cheap so even if I'm not satisfied with it, its not a big loss. I'm still waiting for it in the mail though. Other than the Spectre 260D - Spectre Universal Cold Air Intake System should fit too since its universal; however, both of those systems would most likely require some modification.
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Old 03-10-2012, 11:18 AM   #6
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the 2.0 is NA so there is no tuning involved. like the others said, change the filter often for max air flow. but theres really no harm (other than possible mpg loss) in putting an aftermarket filter like k n n or if someone makes a CAI.
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Old 03-10-2012, 02:02 PM   #7
subiTWO
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Originally Posted by awdG35killer View Post
the 2.0 is NA so there is no tuning involved. like the others said, change the filter often for max air flow. but theres really no harm (other than possible mpg loss) in putting an aftermarket filter like k n n or if someone makes a CAI.

I used a k&n on my Talon. It let LOTS of road grit thru, which stuck to the intake plenum.

I advise people to avoid oiled cotton filters...
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Old 03-10-2012, 11:39 PM   #8
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Originally Posted by subiTWO View Post
I used a k&n on my Talon. It let LOTS of road grit thru, which stuck to the intake plenum.

I advise people to avoid oiled cotton filters...
I thought it would be along the lines of the MAF sensor getting coated in oil due to people putting too much oil on their filters.
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Old 03-11-2012, 01:04 AM   #9
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Has anyone taken a close look at the stock intake? There's a plastic bracket that supports the grille but also blocks direct air flow into the air box. I pulled it out, but the grille isn't well supported without it. Any benefit to modifying that piece to allow airflow directly into the intake duct?
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Old 03-11-2012, 01:31 AM   #10
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Originally Posted by jweitzel24 View Post
Has anyone taken a close look at the stock intake? There's a plastic bracket that supports the grille but also blocks direct air flow into the air box. I pulled it out, but the grille isn't well supported without it. Any benefit to modifying that piece to allow airflow directly into the intake duct?
I kind of took it apart and put it back together for the reason you have stated. It seems flimsy without the support. I'm not sure about any performance gains though, I would assume it would sound better though as far as induction noises go.
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Old 03-11-2012, 05:48 PM   #11
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Quote:
Originally Posted by subiTWO View Post
I used a k&n on my Talon. It let LOTS of road grit thru, which stuck to the intake plenum.

I advise people to avoid oiled cotton filters...
Right. Forgot about the oiled ones. I used a dry avo panel filter on my 05 LGT without any probs for 5 years but on my 02 sentra se-r im pretty sure it was an oiled aem cai and was bad on maf after a year.
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Old 03-11-2012, 06:51 PM   #12
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These cars make 148hp... What do you think you're going to gain?
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Old 03-12-2012, 12:30 PM   #13
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Quote:
Originally Posted by dreezy View Post
These cars make 148hp... What do you think you're going to gain?
Thank you! lol. Plus with the way the intake is shaped already, you wont gain anything unless you go to a bigger tract. Its pretty straight to begin with.
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Old 03-12-2012, 12:43 PM   #14
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Quote:
Originally Posted by awdG35killer View Post
Right. Forgot about the oiled ones. I used a dry avo panel filter on my 05 LGT without any probs for 5 years but on my 02 sentra se-r im pretty sure it was an oiled aem cai and was bad on maf after a year.
I don't think The K&N or CAI had anything to do with the MAF failing. Mine had the stock intake and the MAF failed. I think it had more to do with the POS car than anything!

Catalyst breakdown = New shortblock
MAF failure
1 Dead ECU
2nd Dead ECU

sold it less than 1000 miles before the drive train warranty expired
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Old 03-12-2012, 08:06 PM   #15
Chris223
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Quote:
Originally Posted by dreezy View Post
These cars make 148hp... What do you think you're going to gain?
I want to get an exhaust for my new Impreza... but don't expect to gain anything from it but a nicer sound and no, I don't think it will become a race car because of it. It doesn't mean you can't do it if you want.
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Old 03-12-2012, 11:27 PM   #16
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Quote:
Originally Posted by dreezy View Post
These cars make 148hp... What do you think you're going to gain?
Maybe he likes the sound that comes with an intake? Check this thread out, if you want to do something with your exhaust/muffler.

http://forums.nasioc.com/forums/show....php?t=2314837

Last edited by pkL; 03-12-2012 at 11:57 PM.
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Old 03-12-2012, 11:37 PM   #17
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Quote:
Originally Posted by Chris223

I want to get an exhaust for my new Impreza... but don't expect to gain anything from it but a nicer sound and no, I don't think it will become a race car because of it. It doesn't mean you can't do it if you want.
Even though its a boxer motor, its still an na 4cyl so it will sound like my dog taking a dump.
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Old 03-13-2012, 05:00 PM   #18
jparker070
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I pretty much agree with everything everyone else said. I wouldn't expect any real power gain. If you are going for sound, I would remove the box where the filter sits in and throw on a cone shaped K&N filter on the end. That will give you the sound and maybe one or two hp. I am not sure if that will void your warranty, maybe not.
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Old 03-15-2012, 12:17 PM   #19
pkL
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Originally Posted by jparker070 View Post
I pretty much agree with everything everyone else said. I wouldn't expect any real power gain. If you are going for sound, I would remove the box where the filter sits in and throw on a cone shaped K&N filter on the end. That will give you the sound and maybe one or two hp. I am not sure if that will void your warranty, maybe not.
Warranty wise it should be fine, I guess you can always put the stock airbox back when you bring your car in for maintenance. And according to K&N it shouldn't and if you have an issue with your dealership, they will fight for you.

http://www.knfilters.com/warrantyletter.htm
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Old 03-15-2012, 12:34 PM   #20
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Originally Posted by pkL View Post
Warranty wise it should be fine, I guess you can always put the stock airbox back when you bring your car in for maintenance. And according to K&N it shouldn't and if you have an issue with your dealership, they will fight for you.

http://www.knfilters.com/warrantyletter.htm
That is true, you can definitely always put the stock box back on when you go to the dealership, or you can just bring your car for service to another place. If you wind up needing to put in a claim you then can always put your car back to stock and then bring it to subaru. I have some friends who do that for their Honda. Personally, I am thinking about just getting the replacement K&N filter that fits in the air box. It is re washable so I would never have to purchase another one and I can clean as frequently as I would want to to.
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Old 03-16-2012, 01:31 PM   #21
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Yeah and you can get it for like $35 on Amazon. Make sure you put the K&N sticker on the filter so they don't throw it out when you bring your car in for maintenance and don't over oil the filter its going to kill your MAF.
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Old 03-16-2012, 10:00 PM   #22
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Having run k&n's on bikes and cars, I can vouch for the above comment that they definitely dont filter as well. The oem setup is as "cold air" as its goimg to need. Other than tje flimsy grille attatchment has anyone noticed stress cracking marks in the end of the rubber intake tube on the engine side?
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Old 03-17-2012, 12:04 AM   #23
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Originally Posted by 79letour View Post
Having run k&n's on bikes and cars, I can vouch for the above comment that they definitely dont filter as well. The oem setup is as "cold air" as its goimg to need. Other than tje flimsy grille attatchment has anyone noticed stress cracking marks in the end of the rubber intake tube on the engine side?
So its basically a no go then? Hmm...kind of disappointed as reading reviews everyone claims it to be a great swap. I have seen people bring up the issue with its filtration abilities as well.
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Old 03-17-2012, 12:13 AM   #24
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Lots of folks swear by them. But I've had to clean several maf's on friend's cars running k&n's. For what the car is and how its tuned, a filter swap is not going to get you any real gains. Nor will an intake system swap. Just my opinions. Others will disagree strongly.
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Old 03-17-2012, 12:29 AM   #25
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Lots of folks swear by them. But I've had to clean several maf's on friend's cars running k&n's. For what the car is and how its tuned, a filter swap is not going to get you any real gains. Nor will an intake system swap. Just my opinions. Others will disagree strongly.
Where the MAF's clogged with oil from over oiling the filter or was it just debris and crap from the air?
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