Let the product PR battles begin
Good and Bad news for us owners:
The good news is aftermarket products for the EVO will/is growing for the US.
Unfortunately, You have to get past all the product hype Like with all other makes and model cars in the import realm...the only reliable source about products are ....US !! The people who have limited funds and can't just go out buy every new product that comes out. 15~20@wheels !!!! huh....not going to raise BS flag just yet....but very, very skeptic

 

Intakes make WAY More power on turbo cars then on NA, remember that, they are sucking massive amounts of air, the less restriction the best.

I think that it is BS based on the K&N thing, it may make 15WHP< but so will the AEM, just rice? Dude all an intake is is a pipe and a filter, if it is 3.0 to the turbo or 2.5 but mandrel bend, it'll make power, similarly if the filter is K&N style, it'll flow easier and make more power.


But if you just get an intake, you are not taking the full advantage of the unit, you need and upper IC pipe and exhaust, thn the intake will allow you to flow the air needed.


I am going with a AEM unit, $200 shipped, can't be bad.

 

i dunno...i have read in many places just any old intake will make the evo lose power...you have to be careful with the intake....check out automotosports.com...go to the tech articles and the ones for the evo8 and you will see an article for an intake...text below...there is also a dyno chart though if you want to look on the website



The MAF pipe is the pipe that goes from the Mass airflow meter to the turbo inlet. We fabricated a smooth flowing 3” intake pipe that tapers down to the inlet size of the turbo. One would think that this would make more power?, not exactly. After doing our stock baseline runs on the dyno we ran the 3” MAF pipe. Stock WHP was 256.3 and MAF pipe WHP was 227.6 (The EVO VIII was converted to FWD and all HP figures are at the front wheels)

Looking at this graph tells us what happened. The new MAF pipe must somehow be affecting the MAF readings, which is telling the ECU that there is more air going through the engine than with the stock rubber pipe. The A/F ratio drops dramatically and I actually felt the car bucking on the dyno from the massively rich condition. The EVO VIII has a Karman-Vortex type airflow meter and is the same meter that has been used since the EVO IV and is very similar in shape to a 2G turbo DSM MAF (also a Karman-Vortex type). For the geek in us here is a link to info on the Karman Vortex effect - http://www.eng.vt.edu/fluids/msc/gal...tex/karman.htm

In the end we did a direct comparison between the stock MAF pipe and our 3” intake pipe using an Apexi S-AFC to control fuel and keep it a constant. Gains with the 3” pipe where about 3-4whp. I would not suggest this modification unless you have the ability to control and monitor A/F ratio as you might actually lose HP rather gain it.

 

How about keeping the stock intake with just K&N filter???

 

That's a good idea. I put a K&N filter on my EVO and the top-end feels a little better.

 

HMMMMMMm mabe I should talk to my buddy and have him hook up my EVO with a free K&N set up seeing how the desighner lives around the corner from him they used his 350Z for there Z intake if the EVO is as good of fit and finish as that one i bet it will make the 15 WHP claimed and K&N is with in 4 min from my pad heheheheheh picking up CELL right now

 

Is it possible that with K&N's baffles in the unit, they are making the car run lean. That would have the opposite effect that the other units on the market have had. Similar to the Ralliart drop in filter that was shown to make the car run lean. Lean EVO = More power. However on a stock EVO this would be fine, but with others that are already adjusting AFRs this would not be worth their money. I am not accusing this intake of making the car run lean, just speculating. It is very odd that it makes a drastic amount of power compared to others. Anyone want to chime in here?

 

i'm not convinced that k&n will up the hp anywhere near 20. personally, i think design looks like crap. and i'm not convinced k&n spends all that much time in r&d. case in point, the intake for the lancer. they practically rested the filter on the engine, and cosmetically, the odd bend of the pipe looks COMPLETELY unbalanced in the compartment.

stick with aem.

 

For those few of you who have had any experience porting, airflow is a funny thing. What looks like it will flow well, half of the time won't flow for ****. Then there is the occasional hatchet job that flows like something out of F1. The thing about the K&N that interests me is that they seem to be attempting to manipulate airflow through the MAF, not just cram more air through it.

 

Too be honest with u i saw both in person i like the fact the K&N has carbon fiber heat shield and all. K&N's quality doesn't look as good as AEM's. The filter on the AEM is HUGE i can fit 2 K@N filters in that thing. I don't know if that makes a difference but just putting my 2 cents in. I can get both filters at good prices but i would go with the AEM until Dyno proves wrong.

 

I agree. If baffles or whatever were added and cause it to run leaner than other intakes all that means is it flows LESS. Plain and simple. I think the AEM would make more hp, especially with the addition of SAFC. They both have heat shields which is good. The carbon fiber one is a little nicer but AEM's is probably just as effective. The AEM has a bigger filter which means it has the better ability to flow alot more air. Then it comes with nice made turbo to maf mandrel tube...can't be beat for the $200 price IMO.

 

Who is selling the AEM for $200 shipped???

 

Did you not read the post about the AEM intake?? If not, do a search and you will get your answer. I'll give you a hint..the same person that started this thread

 

FWIW, I believe CoolGuy has some AEM as well over on SoCalEvo.net

-Josh

 

I could care less which pretty name wins, but if you ment the statement above, you've got a few things to learn. With a given fuel curve, what is the only way to lean it out? Add more air... unless your dealing with inaccurate readings of the MAF... in which all cases are moot.