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Air Intakes do anything?


scottybuckeye

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I've heard that you can't install an aftermarket Air filter and an Air Intake together. Is this b/c either they won't fit or they perform redundant functions? And is this true?

 

Some claim that short ram's, AI's, and Cold AI's don't help add even a lil power or boost MPG. If this is true, why are AI's a popular aftermarket mod?

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I've heard that you can't install an aftermarket Air filter and an Air Intake together. Is this b/c either they won't fit or they perform redundant functions? And is this true?

 

Well, this is both true and not true. The aftermarket intake replaces the entire stock airbox and tubing. Most, if not all, use a cone style filter rather then the stock panel filter. Unless you use duct tape or something of the like, that panel filter's going to be useless with an aftermarket intake.

There are, however, aftermarket cone filters as well. So you could buy both a new intake and a new cone filter to fit that intake... but why?

 

Some claim that short ram's, AI's, and Cold AI's don't help add even a lil power or boost MPG. If this is true, why are AI's a popular aftermarket mod?

 

For a car like this, I'd have to agree with MIKEBRAVO. Bling bling and sound.

A CAI can make a dramatic difference on a n/a engine, especially ones without a MAF, but not so much on a forced induction engine (unless you're running a much bigger turbo where the stock intake actually restricts air flow)

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waste of money unless you are going with a bigger turbo and a custom tune. the stock intake system is fine...ask well known tuners...Cobb or TDC. Cobb tested the SPT intake and it actually performed worse than the stock setup. Pure bling.
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Unless you remap your ECU, you might start running your engine lean. There is less air restriction but the stock ECU can only conpensate so much and provide more fuel. So your not really making more hp just easier for the engine to rev so it feels like your putting more hp. AI's won't do much by themselves.

 

Just get a K&N drop in filter.

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Guest *Jedimaster*
I have the K+N Typhoon and it's noisy but doesn't seem to add anything power wise (On a TDC Stage 2+KN map). I had an AVO panel filter before that and it seemed to have a little more pickup, but nothing to write home about.
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unless the new MAF housing is bigger.. then you are fooling the ECU of thinking of what goes into the motor.. you'll run a little bit leaner because the error in metering the incorrect amount of air.. some cars will make power this way since the car runs rich to begin with..
Keefe
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Well, this is both true and not true. The aftermarket intake replaces the entire stock airbox and tubing. Most, if not all, use a cone style filter rather then the stock panel filter. Unless you use duct tape or something of the like, that panel filter's going to be useless with an aftermarket intake.

There are, however, aftermarket cone filters as well. So you could buy both a new intake and a new cone filter to fit that intake... but why?

 

Exactly.

 

scottybuckeye, take a few minutes and look around at the intake assembly after you pop the hood - you'll get an inherent feel for what's going on. Once you actually open the intake "box" assembly and pull out the panel filter, you'll see exactly what's meant by:

 

- replacement aftermarket panel air filter

 

and

 

- replacement aftermarket "full" intake assembly

 

:)

 

For a car like this, I'd have to agree with MIKEBRAVO. Bling bling and sound.

A CAI can make a dramatic difference on a n/a engine, especially ones without a MAF, but not so much on a forced induction engine (unless you're running a much bigger turbo where the stock intake actually restricts air flow)

 

^ Again, precisely.

 

Look around on various Scooby-dedicated Forums, and you'll see that, actually, aftermarket intakes, at least for the later-model forced-induction Scoobys, are not all that popular at all.

<-- I love Winky, my "periwinkle" (ABP) LGT! - Allen / Usual Suspect "DumboRAT" / One of the Three Stooges

'16 Outback, '16 WRX, 7th Subaru Family

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  • 3 weeks later...
waste of money unless you are going with a bigger turbo and a custom tune. the stock intake system is fine...ask well known tuners...Cobb or TDC. Cobb tested the SPT intake and it actually performed worse than the stock setup. Pure bling.

 

I agree on the decline in performance with the SPT intake. I've had one on and off my Outback several times and always experience hesitation (at low end) and power loss (at middle speeds) with the SPT intake. Back now full time to the stock intake...NICE....quiet, tuned, and no power loss.

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