Turbo-back, or cat-back? - Page 2 - Subaru WRX Forum
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#16 Old 08-14-2011, 02:05 PM
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I had K&N Typhoon on my car and ended up going back to stock. The main reason is because the turbulence in the intake ruined my MAF sensor and I didnt feel like buying another one. I kept getting CEL with it also after AP install.
AP + K&N = CEL


+1 on sticking with stock box unless tuned for it.

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#17 Old 08-14-2011, 05:48 PM
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I never said I think all forced induction cars are the same, I was just saying I've seen intakes make the car run shitty on more then one. On every N/A car I've seen with CAI's "mostly muscle cars" they've been fine that's all I ment. As far as the lean condition, I realize all the intakes leaned the car out a little I was talking about the one making a dangerously lean condition without a tune hurting the performance of the car.... All I'm saying is that I wouldn't run any intake without a tune, if you think its fine then that's your choice and good luck with that.

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#18 Old 08-14-2011, 06:52 PM
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The main reason is because the turbulence in the intake ruined my MAF sensor and I didnt feel like buying another one.
Turbulence will not ruin your MAF sensor. It's the blind leading the frigg'n blind.............

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#19 Old 08-14-2011, 07:06 PM
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Even the testing in your link shows evidence of this, out of the two CAI's tested only one didn't make the car run lean.
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As far as the lean condition, I realize all the intakes leaned the car out a little I was talking about the one making a dangerously lean condition without a tune hurting the performance of the car.... All I'm saying is that I wouldn't run any intake without a tune, if you think its fine then that's your choice and good luck with that.
There were three intakes. All ran lean. What you posted and what you "were talking about" are obviously two different things. You seem pretty confused. And what I said was there is nothing wrong with running an intake as long as you verify the openloop AFR. It's not frigg'n rocket science to figure out if there is a problem or not.

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#20 Old 08-14-2011, 07:44 PM
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No turbulence doesnt ruin a MAF sensor my bad. But if does affect it. I know the intake didnt help it.

Cobb Accessport Stage 2.
JDM ej205 swap.

Hakuna Matata.

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#21 Old 08-14-2011, 11:32 PM
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There were three intakes. All ran lean. What you posted and what you "were talking about" are obviously two different things. You seem pretty confused. And what I said was there is nothing wrong with running an intake as long as you verify the openloop AFR. It's not frigg'n rocket science to figure out if there is a problem or not.
No confusion, there were two CAI's teasted one made the car run lean. AFR's being leaned out by .3 isn't "running lean" in my book. Point being is I wouldn't run a CAI without a tune.

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#22 Old 08-22-2011, 06:21 PM
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I think the confusion is that black beast isn't talking about the link to the 3 intakes that were tested. He was talking about a test he witnessed in person.

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