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Old 02-02-2013, 02:45 PM   #1
AkumaMotorsports
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Default Akuma Motorsports AK-74 Intake

Hey Nasioc, Lately we have been doing some R and D for your 08+ Subaru.

What we have come up with is an Akuma Spec Intake, Check out some pics of it installed

Spec's
-3" Diameter
-K&N Filter
-6061 Aluminum
-Nomex Couplers with custom Akuma Logo











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Last edited by AkumaMotorsports; 02-07-2013 at 10:08 AM.
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Old 02-02-2013, 02:49 PM   #2
AkumaMotorsports
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Default

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Last edited by AkumaMotorsports; 02-07-2013 at 10:08 AM.
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Old 02-02-2013, 03:07 PM   #3
ringlander
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What's the price tag?
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Old 02-02-2013, 03:12 PM   #4
AkumaMotorsports
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Not for sale just yet ; )
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Old 02-02-2013, 03:47 PM   #5
matigas_TT
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Looks good
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Old 02-03-2013, 01:07 AM   #6
2011boostdwrx
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mine fits great andthey have two versions now one for TURBO XStype FMIC and PERRIN type FMIC. Cant wait to get tuned on it!
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Old 02-03-2013, 01:30 AM   #7
HinshawWRX
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Tuned?
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Old 02-04-2013, 03:10 AM   #8
Uncle Scotty
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Quote:
Originally Posted by 2011boostdwrx View Post
mine fits great andthey have two versions now one for TURBO XStype FMIC and PERRIN type FMIC. Cant wait to get tuned on it!


it shouldnt have been installed until it was being tuned

you may get lucky and not blow it up in the meantime.....likely not, though
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Old 02-04-2013, 12:53 PM   #9
ryblair
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I really like the look of this especially for a fmic, looks like plenty of room and a great easy install.
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Old 02-04-2013, 03:09 PM   #10
MaddMax
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I know it's much easier to work with as a small company, but using metal as the intake piping material is a bad idea. It will heat soak and will also heat soak the MAF element. This all results in reduced power and possibly reduced fuel economy since the ECU will dump more fuel into the combustion chamber to reduce thermal loads.

Secondly, keep in mind that the filter will be sitting in a very hot portion of the engine bay. Sure, it's low, but it's in a generally stagent air with the heat of the engine bay, radiator, and hot pavement impacting the intake temps.

There's good reason why the OEM goes with plastic on the intake systems and why they funnel ambient air into the airbox.
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Old 02-04-2013, 08:09 PM   #11
2011boostdwrx
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Really, so every aftermarket is aluminum and almost the same exact spot. Yes, tune i am on the breakin tune and yes it is a map for this intake. If you notice where maf placement is at the longest straight edge. Makes much smoother flow.
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Old 02-04-2013, 08:18 PM   #12
Uncle Scotty
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Quote:
Originally Posted by MaddMax View Post
I know it's much easier to work with as a small company, but using metal as the intake piping material is a bad idea. It will heat soak and will also heat soak the MAF element. This all results in reduced power and possibly reduced fuel economy since the ECU will dump more fuel into the combustion chamber to reduce thermal loads.

Secondly, keep in mind that the filter will be sitting in a very hot portion of the engine bay. Sure, it's low, but it's in a generally stagent air with the heat of the engine bay, radiator, and hot pavement impacting the intake temps.

There's good reason why the OEM goes with plastic on the intake systems and why they funnel ambient air into the airbox.


d000000000000d... the cai has the filter in the fender...not in the engine bay

and the oem intake IS a cai by design....but...the use of plastic is bsyond its thermal properties in an oem design like this
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Old 02-04-2013, 09:59 PM   #13
MaddMax
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Quote:
Originally Posted by Uncle Scotty View Post


d000000000000d... the cai has the filter in the fender...not in the engine bay

and the oem intake IS a cai by design....but...the use of plastic is bsyond its thermal properties in an oem design like this
The joke is on you if you think the hot air from the engine bay is isolated from where the filter sits. At speeds below 30 mph the air intake temp will be significantly higher than ambient. Likely 40 to 50 degrees above ambient. At higher speeds, intake temp will be slightly above ambient due to the volume of air moving through the engine bay, but the metal tube will be heat soaked, especially in 70+ air.
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Old 02-04-2013, 11:07 PM   #14
Uncle Scotty
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Quote:
Originally Posted by MaddMax View Post
The joke is on you if you think the hot air from the engine bay is isolated from where the filter sits. At speeds below 30 mph the air intake temp will be significantly higher than ambient. Likely 40 to 50 degrees above ambient. At higher speeds, intake temp will be slightly above ambient due to the volume of air moving through the engine bay, but the metal tube will be heat soaked, especially in 70+ air.



d0000d...YOU are the court jester here...not me


d00000000000000000000d....you need to just stop posting and go back to sleep

you have not the slightest clue as to what is being discussed here

do
you
understand
the
difference
between
a
'cai'
and
a
short
ram
intake
?
?

anyway....the air flowing through the metal tube at the speed that it does when the engine is running is quite high even at idle...so it really does not have time to get hot even it the tube was glowing hot

but you think you know what you are talking about so you dont really care, anyway...do you????
because you know it all, anyway
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Old 02-06-2013, 06:46 PM   #15
AkumaMotorsports
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Location: NJ/SLC
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Default

Akuma AK-74 Intake (74MM)

I will have pricing and availability this week. I am just waiting for a shipment of our aluminum and flanges before we launch.

Fitment will include the 08+ STI and WRX. We have 2 versions at this time. Standard fitment and Perrin FMIC fitment.

The intakes are made from 6061 USA grade aluminum. We will offer nomex couplers and a K/N filters. This is not thin crappy metal, it is much better quality. I am so confident of the materials and craftsmanship, the parts carry a lifetime warranty from defects(filter is a wear item and not covered).

The choice to use Aluminum was easy. It offers the best combination of weight savings, heat dissipation, cost, and availability. The filter sits in an area away from the high radiant heat of the engine. The Perrin compatible unit sits a little higher, but that is the only place we could fit it.

The Subaru ECU allows a competent tuner adjust the fuel corrections at idle and increased load, so temp changes at idle can be tuned for. We will also offer a MAF scalar for the DIY tuners and the pros. I am confident this is one of the easiest intakes to tune for. The design keeps the cool air flowing over the MAF with enough velocity at idle to make tuning a breeze and an overall larger diameter for increased headroom at high boost!

Thanks for your support!

...colors will be brushed or wrinkle black standard. If we have orders of 3 or more, we can offer just about any custom color.

Cheers!

John Shafer
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Old 02-06-2013, 07:29 PM   #16
2011boostdwrx
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This intake is amazing build quality, i have owned many. The bracket fits perfectly. John knows i powdercoat match all my stuff so he gave me the non-polished version. This is a tep above current offerings. I may add a filter shield not sure yet.
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Old 02-07-2013, 12:12 PM   #17
MaddMax
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Ice Silver

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Quote:
Originally Posted by Uncle Scotty View Post


d0000d...YOU are the court jester here...not me


d00000000000000000000d....you need to just stop posting and go back to sleep

you have not the slightest clue as to what is being discussed here

do
you
understand
the
difference
between
a
'cai'
and
a
short
ram
intake
?
?

anyway....the air flowing through the metal tube at the speed that it does when the engine is running is quite high even at idle...so it really does not have time to get hot even it the tube was glowing hot

but you think you know what you are talking about so you dont really care, anyway...do you????
because you know it all, anyway
dooooooooood, you're so wrong. I've experimented with all sorts of CAIs, POPs, and modded air boxes over the years than I'd care to admit. This includes testing via data logging, dyno, and most importantly, 1/4 mile runs at the strip. Highly elevated IATs are huge deal, especially at lower speeds, when running these types of exposed intake systems. I can guarentee you'll be slower in the 330' of a 1/4 mile run after sitting at idle for a couple of minutes. The intake source IS NOT ambient and initial IATs will be in the range of 120-145 degrees depending on outside temps. It takes about 4 to 7 seconds to clear out the high IATs once you start accelerating to speeds above 30mph or so. That time to clear out 120+ air is an absolute killer to 60' and 330'. The motor will feel very boggy in 1st gear as the ECU contends super hot IATs. 1/4 mile times are all about how hard you get off the line.

There's damn good reason why auto engineers make the intake systems out of plastic and the intake snorkels pushed into the high pressure areas of the car and sealed off from the engine bay.

I'd bet you $20 the OEM airbox can flow way more air than even a 350hp EJ25T could ever dish out.

It's beyond engineering sense to think that hot air in the engine bay somehow does not make it's way into an open void 1 foot to the left of the engine. Secondly, on a hot day 80+, temps within 1 foot of the road will be in the 140 to 150 degree range. That's the type of air making it's way into this void at speed.
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Old 02-07-2013, 03:47 PM   #18
isotopesope
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Quote:
Originally Posted by 2011boostdwrx View Post
This intake is amazing build quality, i have owned many.
it would seem to me, the large amount of burn-in on the MAF mount weld does not quite justify "amazing" build quality.
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