Currently i have the AEM CAI and i just ordered the RAW 3" intake. I am waiting for it to ship out and i was wondering if anyone who has switched to the RAW intake felt an increase in power. I have had the AEM intake for a few years and i love the way it made my s/c whine but didnt really feel a power difference.

 

i don't think you'll be able to feel a difference. hear maybe. dyno's may vary up or down by a couple hp. thats all

 

You'll have to tune for it, and please make sure the maf section of the intake is facing the right way. You'll know if it's right if the car doesn't want to run. I think the scalar value for the raw intake cross section is 4500.

 

maybe with a tune youll see a diff but just swapping them prob not. they are loud and its fun

 

Sounds good thats about it

 

isnt that just with the ls4? it does not need to be change for just an intake itself does it?

 

yes because the airflow characteristics around the maf sensor change with the intake. More open space means the air is going to be moving slower around and through the sensor.

 

the maf sensor is a good tip. but on their new design, theres no way to get it in backwards.

 

thanks for your help you guys

 

i did the same thing as you .... went from the AEM to the RAW. the only diff i felt was a smoother progression of power. my AEM always seemed to have a dead spot around 3000 rpm. when i put the RAW on the power came on more linear. the sound though is diff. you will enjoy that part

 

haha that sounds sweet man i cant wait to get this thing on. I was goin mainly for the sound untill i get tuned later this month hopefully. How long did it take to ship out ??

 

well .... it took about a month to ship out, but that was due to the high number of customers for the group buy. the raw intake is pretty much made to order. they dont really have any laying around their shop. they make them when someone places an order, or when a group buy is offered. i must say the wait is worth it. the quality of my intake is excellent, and the delivery of power and sound from it is wonderful. if you want to see what mine looks like installed check out my images.

 

Personally, I found that adding this intake didnt give me any power. I installed for my friend an Injen cold air intake and it definitively gave more power to his car. We've found that when we did a race before and after.

Like someone said in this tread, a tune would be needed for the R.A.W. intake in order to make more power because the section where the maf sensor is placed is larger so the air is passing slowler, so the PCM doesn't read the values it should read.

With the Injen, my friend felt as well that the power would come suddenly from 3000 RPM and up. And I feel as well that the power delivery is smoother than the Injen with the R.A.W. intake, however, on my car, the power difference is just not noticeable at all. This will change thought when Im gonna slap the tuned OTTP PCM

 

To feel/notice a power difference, you need a tune. Otherwise, you're just hearing that sexy as hell whine.

 

it is not larger .... have you ever measured the stock intake where the mass air flow sensor is placed ?? it's 3", hell the AEM intake is also 3" (i know this, because i measured mine). even the injen and k&n intakes are larger at the MAF sensor. you do not have to tune for the RAW intake. my car deff. runs better with the RAW intake than it did with the AEM, Air Box Mod, or stock setup.

im not claiming this huge power increase, because all intakes range from 7-10 whp. all im saying is my car delivers its power much smoother since i have installed the RAW intake.

 

Duh!! No I didnt measured, sorry for the op, I was wrong then. I just trusted blindly what some people said about how large are the tube where the maf sensor is placed. But I still say that I didnt feel as much more power with my R.A.W. intake than my friend with his Injen. We did a race before installs and after...

The difference between our car however, is that hes with the stock tune and I am with the GM Stage 2 tune. And this is since I had the latest tune flash from GM (spring 2009). Maybe that tune of this year isnt well suited for the R.A.W. intake? Since he has his Injen (and this is at the same time I got the new tune from GM due to a new PCM install at the dealer), I'm not able to pass him as much as before (I did a tread on this). Go figure why Anyway like I said, the OTTP PCM will be installed soon, along with the 60 lbs injectors and the 2.7" pulley!

 

it could be .... depends what version of the GM Tune you have. I have the 07' GM Tune which was revised and has been proven to be a better tune than the earlier GM Stage Tunes. either way you should still be able to pull a stock tuned ss/sc pretty well with GM Stage 2. the ottp pcm should help you with that though

 

lol u just posted before I edited my post. But yeah, I mentionned at the same time that I had a tune of this year

 

does the lastest GM Stage Tune have the 7000 rpm limiter ?? i kno some 08' tunes only have a 6500 rpm limter where as my 07 tune and the tunes before it have the 7000 rpm rev limiter.

 

Yes I have the 7000 RPM limiter I was affraid to get the 6500 RPM when the dealer flashed the tune! I get AFRs around 11.2 when Im at WOT, still rich but not as bad as some people reporting down low to 10.5.

But Im not sure about the timing, I know I can read it with my Interceptor gauge but how do you know it? Like... when people say for example Im tuned at 11.8 with 22 degres of timing, that 22 degrees is at a certain RPM or between 4000 to 7000 RPM? This is the part Im not sure...

I know its not related to the tread but I just wanted to slip that comment here