Akuma Motorports 370z Intake
 

Here at Akuma Motorsports we do a whole lot of in house engineering and have finally had the time to do some R & D for your 370z.
We have come out with a GREAT set of Intakes that will be a perfect fit for you N/A 370z
They are 2.75" in diameter which is perfect for you N/A application, Custom made by John himself
(Includes Akuma Couplers and all necessary hardware plus k&n filters)


http://i576.photobucket.com/albums/s...s/f657aa95.jpg
http://i576.photobucket.com/albums/s...s/1f24af3d.jpg
http://i576.photobucket.com/albums/s...s/54085e16.jpg

New Akuma Intakes Installed ;)
http://i576.photobucket.com/albums/s...s/0a9aa4b4.jpg
http://i576.photobucket.com/albums/s...s/e4d2f1f1.jpg
http://i576.photobucket.com/albums/s...s/a70cd33a.jpg

http://i576.photobucket.com/albums/s.../akumatext.jpg

Feel free to contact us at 732-326-0090 with any questions or comments.
We will be happy to custom fabricate the 370z Akuma Intake for your car!

Power increase on the dyno is to follow shortly

I will get the car on the dyno later today and get some numbers. The kit is plug n play. The AF Trims are +/- 3% after the install with NO tuning. This is due to the proper sizing of the intake and the placement of the MAF sensors. Tuners will find these kits to be very easy to tune and I will get the HP/TQ numbers to back it up asap. :tup:

John

pricing would help the most.

Sounds good -- the sensors are apparently very sensitive to airflow tumble effects.

Looking forward to results and price (beat the competition!!!)

Mmhmm. If these beat the G3's on pricing and the power gains are similar, you have a winner.

agree. g3's are rather expensive

Thanks guys. We will definately be cheaper...that is the easy part. I just want to be sure of the fitment and power numbers. So far so good....updates coming tomorrow.

John

In for more info :)






DAN

Sub'd

Looks good bud ! When can you make me a set :)

Actually, I have the Aluminum coming in for your set next week. :icon18:

-J

I just ordered gen 3's on Thursday, damn it!

In for final product!

in for dyno results. if you guys make similar power as the G3s, dont mess up AFR, and are cheaper, then you have a winner.

In for results.

+1

Awesome can't wait:ughdance: have a great weekend bro

Count me in just waiting on results and price.

Will there be an option for different color silicone, or for Powder Coating of the pipes?

Are the filters Oiled K&N or Dry Filters?

The Original Intakes Didn't work out as planned so were back on the drawing board with these to maximize power output. Updates will follow soon.

Sorry to hear that, but we look forward to see the updates.

Sent from my SAMSUNG-SGH-I897 using Tapatalk 2

Well Thats why its called research and design not research and finished! But thanks guys like i said as soon as we have something good well update you! :)

:tup:

Sent from my SAMSUNG-SGH-I897 using Tapatalk 2

So we decided to go with a little bigger piping on this one and instead of 90 degree piping when it passes through the front bumper support were going with 90 degree couplers and a couple other tweaks.... still workin on them though not quite finished

That will be decided once we have a set of intakes that we are happy with i will update you as soon as we have some options, possibly a group buy at a great price so keep posted

:tup:

+1 for options (I like dry...)

Ok so here is what is going on thus far...

REV 1 is a full 2.5" 6061 Aluminum solution with Nomex couplers.

The Rev 1(figure this type of naming is easiest) did not actually lose power. I went with a similar size to the stock MAF housing. This actually yielded excellent results for drive-ability. They required no tuning at all. Actually the trims improved over stock. The AF Correction was primarily +/- 3% for both banks, which is excellent.

The down side to Rev 1 is the AFR dropped a full point! Actually, it went from 11.9 - 12.3 under WOT stock to 11.1- 10.8 with the intakes. This is why we saw a loss in power. This could have been tuned out, but I wanted a plug n play solution.

Basically, the intake design comes down to pipe diameter and layout. If the pipe diameter is the same as stock, it will run richer and therefore lose power. If you go slightly larger that stock, you can lean out the AFR mix and make some power. If you go too big, the car will not run correctly due to the lack of fuel. So the key is to have smooth flow with a larger diameter pipe and a tune.

...Move on to REV 2.
REV 2 is also 6061 Aluminum with Nomex couplers. It is 2.75"

Now, this revision puts the trims out of spec 15% which is to be expected. However, we have no reducers and tuning is exceptionally easy. Literally a 15% delta to the Fuel multiplier and we are ready to rock. AFR will be solid and we should make 8 -12 HP with no other changes, on pump gas.

I did not make brackets for the Rev 2, as I expected this to be a 'testing' set. If there is any rubbing or rattling I will include those on the final revision.

So this was my thought, and I am open to feedback

We will offer the larger diameter intake which will make the power, but it will require a tune adjustment. This tune adjustment will be made available as part of the kit purchase price. There will no NO ADDITIONAL FEE for the scalar. I think we will actually offer the intakes with an Up Rev bundle at a very discounted price. I am thinking STG 1 and STG 2 options. The only key is you need a way to tune the car...Up Rev or Cobb. I know this may alienate some buyers, but it will be the best design for power.

We can also offer the the intakes in a hybrid form. I can get a MAF housing closer to the stock size and make it completely plug n play. I really do not like when the intakes neck down to the MAF and then neck back up to the piping. By keeping the piping at 2.75" we do not require a reducing coupler, so we can keep the price of the intakes down as well. It also look way better when the design is uniform throughout. I did not want to manipulate the numbers, as I want our kit to make the most power at the best price, period.

***If anyone has a stock car with the Stillen Gen 3 installed, I am offering FREE dyno pulls so we will have a comparison vehicle***

I still have to get the numbers on the dyno and make sure the car drives perfectly before we sell them. I appreciate all of the feedback, and I will make sure to get these going ASAP.

Thanks guys!

John

Here are some pictures of the REV 2 as they sit now....
http://i576.photobucket.com/albums/s...s/a70cd33a.jpg
http://i576.photobucket.com/albums/s...s/a3e7f4ee.jpg
http://i576.photobucket.com/albums/s...s/0a9aa4b4.jpg
http://i576.photobucket.com/albums/s...s/eac8b33c.jpg
http://i576.photobucket.com/albums/s...s/16daf12b.jpg
http://i576.photobucket.com/albums/s...s/88c09eae.jpg

We need comparison dyno results between the Stillen Gen 3's, Akuma 2.5" and Akuma 2.75" intakes after all intakes have been tuned to adjust for AFR and WITHOUT timing changes. This will show whether or not the Akuma intakes (including 2.5" vs 2.75") are truly worth it after the extra effort.

Impressed you are making comparison runs with G3 :tup:

But... I think the problem you having with Rev 1 (and maybe 2 as well) is location for the MAF sensors -- they look to be higher in the intake tract than OEM, which will create misreads, at least without tuning.

Actually, the MAF placement is good. The MAFs are after the longest straight piece of piping. The reason I made the intakes in this orientation is so I could have a long straight. This maintains velocity around/thru the sensor. We do not have any tuning issues. No voltage spikes, no weird correction issues. The intakes are very easy to tune.

I like using the silicone in the bumper/filter area. It helps alleviate any vibration/noise issues. It also fits a bit nicer.

The intakes will require the bumper to be removed to install, however you will be able to remove/reinstall with only the top plastics removed. This allows us to eliminate all couplers in the engine bay. The final intakes will not have any welds...all mandrel bent.

As far as testing, I am in 100% agreement. I need to get a car in here with the Stillen intakes so I can do some testing between the two. I have one customer who is bringing the car, but he has extensive bolt-on's so I would like to get 1 or 2 other cars for a more thorough test group.

In fact, if someone is interested PM me. I can offer a good deal on parts, labor and tuning for the effort.... no charge labor/cost on the intakes/dyno time :) Plus you get to be the coolest kid around with our intakes. :rofl2:

John

^^^ I thought you guys were losing power/reading overly rich on v1? The diameter change is obviously going to change the airflow velocity but if you have v1 at OEM diameter, at worst it should neither gain nor lose if everything is being interpolated correctly by the ECU.

Where it samples makes a big difference -- the location you have may work well in terms of fluid dynamics, but if the voltage it reads at a given load is different relative to the ECU MAF mapping the end result is that tuning will be needed with both no matter what diameter piping is used.

So, to clarify -- by "misreads" I don't read random spikes in voltage due to airflow tumble, I mean that its getting a voltage reading that doesn't match how the ECU injector tables are mapped, thus tuning will be required even using the same diameter pipe if the MAF sensors are sampling in different locations or orientations.

In for when these come around. If i had intakes already id def make the drive to you guys, not that far away lol

Hopefully heading up soon to see how much power these add :) can't speak highly enough of John and his staff at akuma

Thanks that is very much appreciated, we can't wait to see you in the shop! See you soon! :excited:

Anyone know what diameter the Stillen intakes are vs the new Akuma 2.75" intake?

Also, any idea what diameter the OEM throttle bodies are?

2.75" but it necks down at the maf sensors

The Stillen intake necks down at the MAF? Doesnt look like it to me.. I'm confused

It would look good if the MAF was under (upside down) the intakes, almost hidden.

Tell you what, I am liking this design of all mandrel bent. I would go for the Stage 2 without the Breather tubes on the. Looking good.

Sub'ed