cobb intake - Subaru WRX Forum
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#1 Old 07-12-2013, 06:51 PM
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cobb intake

just got a cobb sf intake. just realized i dont have the stock hose that comes on the stock airbox. i have the perrin hose from my perrin sri. since i am going to stage 1 was wondering if i need the exact part or would any other hose work? i am flashing with the cobb sf intake map and wanted it to be perfect. i am guessing that this http://www.scoobytuner.com/products/...&productID=734 would work but would it being a different part throw off anything?
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#2 Old 07-12-2013, 07:36 PM
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#3 Old 07-12-2013, 09:23 PM
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so this intake is bad with a cobb stage 1 tune?
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#4 Old 07-12-2013, 09:47 PM
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So let me get this right.

You have the COBB SF intake and a stock inlet pipe? If so, that afta maf hose should work.... or the samco one. You MIGHT need to trim it down. Just remember some if not most of those taper down in size.

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#5 Old 07-12-2013, 10:02 PM
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no i have the cobb intake and the perrin hose.
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#6 Old 07-12-2013, 10:05 PM
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Then you might just need to trim it down. Find out the sizes at each end to make sure it will fit... save you a headache.

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#7 Old 07-12-2013, 10:21 PM
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i could prob make it fit, was just worried that it would throw sumthin off or sumthin.
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#8 Old 07-12-2013, 11:02 PM
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I did read somewhere on this site that certain hoses and bends could screw things up
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#9 Old 07-13-2013, 06:46 AM
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Originally Posted by thekamikaze kid View Post
I did read somewhere on this site that certain hoses and bends could screw things up
I'm going to throw this out there, someone correct me if I'm wrong. If you do anything with your intake it can mess with the maf sensor reading. I believe the newer ones 08+ are more sensitive to this than the older ones. If you have the AP and don't use an intake that the AP has an OTS map then it would be kind of pointless IMO to tune with OTS maps. You would probably want to get a protune done that way it can be tuned for your specific set up. It depends on the maf sensor placement on the intake and the amount of air that is being taken in. It can potentially make the car run too lean or rich (I don't remember which way is goes with an intake) which can do harm to your engine. Hopefully that makes sense.
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#10 Old 07-14-2013, 09:37 AM
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But as long as the MAF sits in the right location and the ID is ok....then you will be fine.
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#11 Old 07-15-2013, 11:05 AM
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Like PZR2874 mentioned, you'll probably be fine using the coupler you already have. Just make sure to not alter the Cobb MAF housing itself.

The MAF housing diameter and design are the most critical pieces. Proper sealing is also important, so make sure you use good condition clamps.

If you don't want to use your current coupler we can special order you the COBB or Mishimoto "After MAF" hoses. I Pm'd you the details about the COBB part, just let me know if you are interested.


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#12 Old 07-15-2013, 06:14 PM
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well i just usedx the perrin hose it it fit perfect. thanks for the advice. i think tyhat the perrin sri isnt asgood as the cobb intake. it isnt as audible tho. the car is running much better now granted i just got a full tune up. well see how it goes.
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#13 Old 07-15-2013, 07:29 PM
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Did you happen to buy the heat shield with the intake.
Your gonna be sucking up alot of heat if not.

Cobb Accessport Stage 2.
Rebuild in progress....

Chuck.
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#14 Old 07-15-2013, 07:43 PM
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no i didnt, if i could have afforded it tho i would have bought it, cant be worse than the perrin tho
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