2011 wrx - cbe - Subaru WRX Forum
 
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post #1 of 9 Old 04-03-2011, 02:30 PM Thread Starter
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2011 wrx - cbe

Just bought a new WRX and wondering what CBE to go with. Was looking at the HKS ES CBE and the COBB CBE.

Also will it need a tune being a CBE
Any suggestions?
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post #2 of 9 Old 04-03-2011, 02:48 PM
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You don't need a tune for just a CBE. Once you do the downpipe you have to get a tune. With just a CBE, you can still tune but it's not required.

Downpipe = COBB Stage II Tune (or custom protune)
CBE= No tune or COBB Stage I Tune (or custom protune)

If you're planning on getting the ap you can just flash the car to stage I whenever you want, then go stage II if you do the downpipe. If you go the custom protune option, it'll be more cost effective to wait until you get the downpipe and just get it tuned once.

-Chris
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post #3 of 9 Old 04-03-2011, 03:02 PM Thread Starter
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Pretty much just want a SR Intake and a CBE.
Was looking at HKS and COBB.

Any suggestions?
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post #4 of 9 Old 04-03-2011, 04:09 PM
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I would go with the HKS Exhaust, and as for the intake I believe with the 3g cars you need a tune to run the intake

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post #5 of 9 Old 04-03-2011, 05:29 PM
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Any reason you want to do a Short Ram? All they do is pull hot air in from under the hood. The newer WRX's are much better setup to run a CAI without fears of sucking up water. Either way, it's much safer to get a tune even if the intake says it's "ok." Since you're in CA you may want to look for a smog legal one to avoid hassle, which I why I'm guessing you don't want to get a downpipe.

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post #6 of 9 Old 04-03-2011, 06:58 PM
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On a turbo car the CAI v. SRI arguement is for the most part invalid as the turbo just heats the air anyways it's been proven on SF and NASIOC a few times that the difference in IAT on the same car same setup with SRI and CAI is <2*F

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post #7 of 9 Old 04-03-2011, 08:14 PM Thread Starter
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I want short ram because i dont feel like worrying about sucking up any water or anything. Also if the SRI isnt smog legal its like a 10 minute swap.
I like this one or the Cobb
HKS Air Intake Kit Racing Suction Reloaded-2008-11 STI
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post #8 of 9 Old 04-03-2011, 08:54 PM
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Quote:
Originally Posted by basco View Post
On a turbo car the CAI v. SRI arguement is for the most part invalid as the turbo just heats the air anyways it's been proven on SF and NASIOC a few times that the difference in IAT on the same car same setup with SRI and CAI is <2*F
Well those 2* just put me .03 seconds ahead of the other guy with SRI in the 1/4. !Laugh!

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post #9 of 9 Old 04-03-2011, 11:04 PM
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Really you have to be driving through a puddle (or freakin' river) that submerges your intake and then rev the beans off the motor to harm it. It takes a lot to suck up water. Air is less dense than water, therefore the car will suck in air before water, unless there's little to no air to suck in and then it will successfully suck in water. You would know you were sucking in water if you were doing it, as I'm sure you'd be rolling through it "Land Rover style."

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