DC2 air intakes on EK9?


supernova

supernova

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Nov 21, 2008
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Just wondering would dc2 air intakes fit on ek9 directly? ie. oem box, mugen, Js etc... Is the dc2 oem box a good upgrade? Cheers!
 
the oem dc2 box is a nice upgrade becuase it houses a much larger cone filter, if you can have that setup with a nice cold air feed you should be set :nice:
 
Does the stock computer adjust to the increased air intake?
 
also when you say cold air feed, i have a pipe that goes into my oem box and it then goes into the space behind the drivers side bumper and is angled upwards. is there a reason it should be angled upwards? Cause intuition would say that having it angled sideways would have more air going in?
 
Anyone have numbers about which length intake is best for an EK9? Everyone always talks about cold air, but the right length can make more of a difference.
 
_JT said:
Anyone have numbers about which length intake is best for an EK9? Everyone always talks about cold air, but the right length can make more of a difference.
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well if you cant get 1 part correct, atleast get the other correct.

Length of pipes just shifts the power band curve while a Cold air setup garantees consistancy in making power.
 
jugbugz said:
well if you cant get 1 part correct, atleast get the other correct.

Length of pipes just shifts the power band curve while a Cold air setup garantees consistancy in making power.
Click to expand...

Too bad you have to be cynical about it...let's try to keep it friendly, you agree? Only shifts? It can also make it wider. It took more than 0,5s off my 0-62mph time on my previous car. I haven't said that cold air doesn't make a difference, I've never measured or seen numbers that made more of a difference than the right intake length. Check this out: Pipe Dreams. The gain you can get can be much more than you lose in another rpm area.

And if you don't believe me...well too bad but I've seen, felt and measured it.
 
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_JT said:
Too bad you have to be cynical about it...let's try to keep it friendly, you agree? Only shifts? It can also make it wider. It took more than 0,5s off my 0-62mph time on my previous car. I haven't said that cold air doesn't make a difference, I've never measured or seen numbers that made more of a difference than the right intake length. Check this out: Pipe Dreams. The gain you can get can be much more than you lose in another rpm area.

And if you don't believe me...well too bad but I've seen, felt and measured it.
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Oh... sorry if I wasn't friendly enough...:p

have you felt and measured a replacement filter on a stock box? I've seen up to 10whp on a ford V8.

I never said I dont believe. Theres just more to it in the real world than on the dyno. Changing to a replacement K&N filter could also increase power throughout the range on the stock box. I just find the car to be more sluggish without cold air. Id like to see the results on that daihatsu dynoed with a close bonnet over a few runs, but that might have affected its marketing purpose. Keep in mind that daihatsu might have had a bad stock box to begin with.

You'd find that it might not be your moneys worth to beat a DC2R intake with a replacement filter especially on a B16.

For a full-on racing intake for the track, yes length and diameter coupled with a flow stack would be the ultimate. For the street, most ppl prefer Cold air for consistancy.

If I'm making over 230bhp+, Id go for something else, the filter size on the DC2R box will easily flow 220bhp.

I have a Comptech intake with the Ice Box, perfect for the street. I could just easily remove the ICE BOX and turn it into short ram intake for the track:drive:.

Depending on the cars purpose is how you should consider your mods.
 
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Why not measure and see if you can get BOTH? :p The right intake length combined with a velocity stack and CAI? You can take the piping, take the length that you want (eg, in the example of the website I gave I'd take 65cm), put a velocity stack on it, put it in an airbox and then a hose running to your front bumper for cold air :) That's what I want to try and I'll probably make a DIY airbox. Let's see how much I can gain for as little money as possible :p

(maybe I'll first try to save money for an EK9 though ;) )

By the way, the results I measured with my Daihatsu were on the road with a G-Tech Pro, measured in several runs. You're right about that it maybe has a bad stock design, but as far as I can tell from experience, unless your car is a VERY expensive one, there is always room for improvement!
 
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_JT said:
Why not measure and see if you can get BOTH? :p The right intake length combined with a velocity stack and CAI? You can take the piping, take the length that you want (eg, in the example of the website I gave I'd take 65cm), put a velocity stack on it, put it in an airbox and then a hose running to your front bumper for cold air :) That's what I want to try and I'll probably make a DIY airbox. Let's see how much I can gain for as little money as possible :p

(maybe I'll first try to save money for an EK9 though ;) )

By the way, the results I measured with my Daihatsu were on the road with a G-Tech Pro, measured in several runs. You're right about that it maybe has a bad stock design, but as far as I can tell from experience, unless your car is a VERY expensive one, there is always room for improvement!
Click to expand...

Yeh, the best way is really getting cold air into a tuned length, diameter, stack intake. I went for the Comptech because it was just less troublesome and I liked the 3.5" intake arm, the volume of the Ice box and the size of filter. Just check my Comptech Ice Box install thread. :nice: and Goodluck!
 
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