intakes question

[JohnO]

guys ive searched for a good 20mins for some threads on this. well its down to gruppe m vs injen. is there a difference both do the same job and injen is half the price you pay for a gruppe m.

knowing you guys having more experience with intakes which is better to go with?

[TheSaint]

well they both take air from different places (this is if u are talking about the injen CAI not SRI)

im assuming you are refering to Dc5 or EP3 ...

from what i have read the Injen CAI is more efficient but louder

[JAP-S2K]

Depends. One is of carbon fibre, worth a bomb, looks trick and most people would automatically assume it makes more power than a short arm/ long arm intake such as Injen/AEM. With an S2K the Gruppe M makes slighly more outright power but is nearly $2000 dearer than the Injen. Big price tag for f@#kall difference.

[slimx]

my interpretation is ..

Short ram intake : response time, performance, looks ugly though

long (injen n shit) : SEXIEST SOUNDDD EVER, good torque ? (speed whilst moving, not take off) looks quite nice to

[JohnO]

yeah talking about the ep3/dc5 ones so better to get a injen over a gruppe thats for bling and less output?

[TheSaint]

SRI just soaks up heat from the engine bay

the groupM takes a small vent of air from above the bonnet near the windsheild and feeds it into an airbox in a similar spot to the stock box with a higher flowing filter than stock and larger diamater intake arm ... i have read mixed reveiws about this product ... apparently there is fitment issues, rattleing and sound issues and its rather expensive because of the carbon fibre

the injen intake system (fujita is the same thing but with a better filter fyi) is tried and tested to work well, built solid and not a bad price, the CAI style is the best, they sound amazing, these take air from the front bumper right where cold air is flowing from the front of the car ... it has a larger intake surface than the groupM and generally makes better numbers - personally i think the Injen/Fujita look better than groupM as well

at the end of the day its up to you but i would suggest a Fujita CAI ... well worth the money =)

[dougie_504]

Don't buy a big-name intake, waste of a few hundred $$$.

You can get a SRI and buy some pipe/connectors/clamps and just make your own CAI for around $150-200. Same thing mate - pipe is pipe.

The best option would be to install a SRI and house the pod filter inside your original air box, then remove the resonator underneath the air box and run a flexi-pipe from the bottom of the air box down to the front of your car at the grill on the bumper, facing forwards so that cold air is rammed into your pod when you're moving.
Good response, isolated from hot air, and you get that slightly forced intake from your movement.

This is my DIY CAI on my EH9 VTi Civic. It cost me $175 and does the job.
http://i87.photobucket.com/albums/k158/dougie_504/21102009046.jpg

3" APC short ram intake ($70), extended with a 45 degree angle silicone connector ($50+/-) and a 45 degree angle 3" aluminium pipe ($50+/-) from Super Cheap. 2 extra clamps needed ($5) from Bursons. Piece of cake :)

[TheSaint]

yes it is cost effective but i do have to testify to the quality of the Fujita CAI ... the system i had on my Dc2 was pure win

[cheapdouchebag]

forgive me for hijacking this thread a little bit, just need a straight yes/no answer
if i install an intake like dougie says to do, which has sold me to getting a sri and extending it, can i later on swap it off my D-series and clamp it onto a B-series motor?
in exact perspective from d15b to b16a2/b18c

[Hullabaloo]

unfortunately i haven't tried both so i can't really tell you which is better. I went for gruppeM as it's more of a sri than injen, and i didn't want the risk of hydrolock. i find it pretty loud on wot, but i haven't heard injen to compare. everyone says injen is really loud.

there are some guys on clubitr who have tried both
http://forums.clubitr.com.au/showthread.php?t=1976

[dougie_504]

forgive me for hijacking this thread a little bit, just need a straight yes/no answer
if i install an intake like dougie says to do, which has sold me to getting a sri and extending it, can i later on swap it off my D-series and clamp it onto a B-series motor?
in exact perspective from d15b to b16a2/b18c


Yes, the only thing that would affect that is the chassic. Obviously all B and D series engines are East-West (horizontal on the engine bay) so your IM and TB will pretty much always be in the same place, and therefore your CAI (if it's the same chassis) will be find to route in the same direction as previously IMO.

[TheSaint]

lol hydrolock ... u have to submerge the entire filter for this to happen ... which means ur car practically has to fall into a pond ..

i had my fujita in the wet plents and never had a problem ... the proper CAI style is the only way to go for build / looks / performance / value

reps to dougie for building one but like i sed before ... i cant tell you enough how good the fujita system was compared to everything else =)

[JohnO]

yeah thing is i rushed into getting a gruppe m cause i read they had most gains and possibly the bling factor rofl and i full regret getting one cause of the price tag... my mate told me his injen was pretty loud on his s2k but hey stock resonating was loud already...


gruppe m still sitting in my room for a day now and yeah my bro in law keeps telling me american brands are slightly better cause they put more research into it and its cost effective.


most of the guys on clubitr used it 80% loved the gruppe. cant tell which one is louder cause ive heard injen on dc2rs and s2ks and they whistle pretty looud idling. seen some youtube clips and cant really see the diff. how about powerwise cai vs sri? which one would give ya more gains?

[dougie_504]

SRI will probably make you lose some power because you have less take-off power from my experience. Stock box was better for take-off due to its torque-curve. You'll get better flow but end up with hot air in your fuel mix so SRI is pretty much only good for looks and sounds IMO, even if it's a little more free-flowing up high.

CAI is better for power, period. The cold air has a higher density of oxygen because the O2 molecules group together more closely due to the reduced activity of the electrons on the outer electron rings in the covalent bonds (a result of the cooler temperature).
Because of this you get a higher concentration of oxygen in your fuel mix and that produces a more powerful combustion.


I don't know much about Gruppe, but for sure you get what you pay for - looks, build quality and gains. I managed to do a decent job, but it's not manufacturer quality :)

[TheSaint]

all this talk of CAI is starting to make me want one again lol

my 'whale penis' intake sounds amazing but only gains up high ... i lost some low end power when i installed it ... and it is getting smashed by hot air from my radiator =/

[JohnO]

boxed sri recieving air from a direct outside source couldnt that be cold air aswell because of the cowl that helps the intake suck in air??


might have to get rid of my gruppe for a injen now :eek:

[TheSaint]

i have an SRI with a CAI feed but its still not as good as when i had a true CAI

[dougie_504]

Saint, show me ya intake?

And yes John, boxed SRI with cold air feed is best IMO. I'm planning to do three setups soon ;)

[TheSaint]

its on the 1st page of my build thread in my sig =)

[xQuizit]

boxed sri recieving air from a direct outside source couldnt that be cold air aswell because of the cowl that helps the intake suck in air??


might have to get rid of my gruppe for a injen now :eek:


lols man many dc5 owners ppl swear by the gruppe m, as it is much better for the dc5. gruppe m has a large amount of direct cold air being fed by the scoop that sits outside the bonnet. much more responsive then cai, and no heat soak as the cf is shielding it, only down side it can get a hydro-lock aswell on a rainy day

[dougie_504]

i have an SRI with a CAI feed but its still not as good as when i had a true CAI


I can see the whale penis but not the cold air feed. Does it route from the front bumper?

[TheSaint]

it goes from the hole for the stock airbox down to just under the front bumper ... kinda faces a 30deg angle to the road just under my front lip

if i shoot the front of my car with the air compressor it picks up a fair bit of it ... so i just hope its working on the road

[dougie_504]

Isolate the pod man. Build a heat-resistant box around the pod and make sure the feed goes straight up into the box and nowhere else but.

Then you only get cold air :)

[dougie_504]

Oh, and I was also under the impression that a whale penis is louder and flows better up high than a standard/straight SRI, but that the normal SRI has better responsiveness do to the smaller volume it needs to fill before reaching the TB.

Correct me if I'm wrong?

[EK1.6LCIV]

injen due to it being consealed in the wheel well and being a more legal system in that respect

if you're spending that kind of money, it's what I would do

[TheSaint]

i went from apexi pod on the end of Dc2r intake arm > simota whale penis

the apexi system wasnt as loud but it had a more revvy sound and better response across the rev range

the simota system is much much louder but the revvy sound only comes on at 4500rpm+ and the power is more in the 5000rpm+ band, mind you the power comes on harder than the apexi system - just in a smaller window

i really want to get a block off plate to put across the pod area of the engine bay to discourage the flow of air from the radiator ... what kind of metal do i use for this? it only needs to be 2-3mm thick or so i spose

[EK1.6LCIV]

the metal doesn't need to be any specific thickness, if you had worries of heat on the piping, best bet is to get some thrmo-tec wrap and wrap it up

[TheSaint]

nah its not the piping its the actual pod ... piping is plastic

im thinking of changing to a system like this ...

http://cgi.ebay.com/ebaymotors/JDM-Cold-Air-Intake-Kit-92-95-93-94-Honda-Civic-EG-NEW_W0QQcmdZViewItemQQhashZitem3359ebbe49QQitemZ22 0551953993QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAcce ssories

[EK1.6LCIV]

I just have a piece that goes over my filter (covers half of it), you only really need it for drag racing tho, daily grind the filter doesn't get as hot

[TheSaint]

yeah i did alot of driving up around the beach and hills where i live the other day and it got really hot lol

just found somewhere to get fujita CAI cheap ... hrrrmmmm =)

[EK1.6LCIV]

mine barely gets warm, monitiored it a few times, doesn't get to what I would call extreme lol

[B16bcivic]

either way no difference.