Stillen G3's those who own with real results please Chime in
 

So..was doing a bit of research on this part and ran into this quote from NY Bladez which was posted on Elia CID's thread regarding the G3's...

You See I'm a bit confused with the whole Stillen G3 Intake arguement...I recall doing research on the forum and seeing members arguing and posting that there really weren't any gains...and that gains were only seen after 6.5K-7K....but I recently read two seperate threads...One by Semtex and One from RCZ...in RCZ's thread he reported receiving 20WHP...This was his only mod at the time...Semtex did another review..however he was already running the Stillen CBE/Berk HFC Combo and Semtex reported gaining 14.7 WHP on top of what he already had with the Exhaust....I find both of these members to be very respectable "Call it as it is" reviewers....

Here are their threads for reference...

http://www.the370z.com/intake-exhaus...pressions.html

http://www.the370z.com/intake-exhaus...eview-etc.html

Can some Stillen G3 owners chime in and support or negate the truth of the type of HP these things really produce?

I also heard that stock intakes are the best for the 370z, apparently some people complained that the Stillen intakes can cause the car to stall, not sure if this applies for the 370 but its quite evident for the 350z.

Intakes causing a car to stall = installer fail.

:iagree: I've never heard of this happening, unless their is a leak in the set up....Having the slightest leak will cause major HP loss...

It seems that no one is coming out thus far to negate the claims made by Semtex and RCZ....The thing about their threads is that they actually have documents to support their claims of actual HP gains...Based on the reviews that Semtex has done with other products, I know him to be a straight shooter when calling out numbers of performance parts...He did so with the Stillen Headers...showing no favortism and giving his honest opinion that it wsa not worth the $$$ and time...even though he was rocking other "Stillen" parts on his car such as the CBE, CAI, and the Underpulley...

I can only speak from the butt dyno after I installed the intakes, get them, you won't regret it.

There we go...Someone who actually speaks with confidence with this item

i havent taken mine to the dyno but i noticed a difference as soon as i installed them and then it got so much better with the berk hfc and cbe....so i say get em....u will notice the difference and the sound is so nice when u have WOT

Well...based on what. I've read and researched, I haven't come aross anything that supports any validity of the G3's being a bad product...I. have found only good info and supporting evidence backing up this product...All the negative info regarding intakes happen to be based on supporting evidence (Dynos) that the short air intakes like the Takedas don't produce any numbers for the Z...so I pulled da trigger and will be getting these babies soon

buy it.. you wont regret getting those bad boys.. who ever says they are bad. they probably or for sure they dont have them or they cant afford them!

Stillen G3 intakes ftw!

Strange...LOL...I took off work today to install my G3s that came on Wed. I sure hope what I read is the truth. I never expect the gains listed by the OEM. There, they boast 17.5 WHP. I'll be happy if I just get half that...or happier at 10.

The only negative I have heard is something about the air cond. tubing being rubbed or something. Will be pulling up AK's install thread today...he did it real justice. :)

Good luck with yours ! :driving:

:iagree: in regards to. AK's install...I believe he put some sort of wrap. Around the A/C lines for. Added. Protection against the rub problem you're referring to.

When you cross reference the cost and the hp gain...its not worth it. Claiming 15-20whp from a CAI is a little hard to accept on a naturally aspirated motor. From what I've been told, the stock air boxes are not restrictive and provide the best hp and torque for the motor.

And the person who told you this owned these intakes, did before and after dynos and determined that he lost power by installing them right? Please stop spreading fud.

You may not make 18whp as they claim, but theres a definite power increase along with a much nicer growl. Nissan designed a great intake system, but to pretend that it was designed to make the most power without regards to cost is naive. You bought a $30k sports car, not a ferrari.

I'm set to install these this weekend. The only perf mod I have is the F.I. CBE so I doubt I'll feel any gains but I'll let you know if I do. I mean you shouldn't expect anything spectacular with any of these mods short of forced induction. My primary reason for modding is to be a little unique and improve the driving experience. Any added performance is just icing on the cake.

Here is what a top Nissan tuner had to say about the G3s after his dyno test on an automatic. It tested out a little better on a manual.

"Since the stock intake system is so efficient we were pretty sure that the Stillen intake was not going to make much difference and we were both right and seriously wrong. When running on the dyno, the Stillen intake produced on the average 3 more whp but less torque at 270 whp and 216 lb/ft with the power gains coming high in the powerband above 6700 rpm. Below 6700 rpm, the Stillen Intake lost a slight bit of power and torque. This isn’t the whole story though. For the sake of curiosity, we removed the front bumper fascia and ran the car with the airflow of the dyno’s cooling fan blowing straight on the filters. We were amazed to see that the Stillen intake belt out an additional 10 whp nearly completely across the board! Not believing our eyes, we ran the car with the bumper cover off for many pulls and the numbers repeated. We then replaced the bumper cover and the power numbers dropped to what they had been.

Stillen’s cold air intake is clearly a superior design with great power potential but the bumper traps hot air in the vicinity of the filters which nullifies most of the gains. We hope Stillen reads this and creates a bumper vent and heatshield kit so that the full potential of this great intake can be realized. Since people do not drive without a front bumper we are only going to show our with bumper cover power results."

http://www.the370z.com/diy-section-d...-g3-users.html
problem solved

I think that the Stillen intakes are a great buy not only for some high rpm breathing, but it changes the character of the car completely above 6k rpm. It makes the car feel much more aggressive and eager both in the throttle response/power/sound which I think suites the character of the car. Match the Stillen intakes with fang vents to force air up to the filters and you have a great intake setup.

My G 3's made 20 rwhp over the stock intake, It was the first mod that i did
Base line 264. stillen G3 284. I have the dyno to prove it with the bumper on.
It's a 7 AT.

Z

:iagree: furthermore TONGMAN Idk why getting 15-20whp from this performance part would be hard to accept for a N/A motor when some members showed/proved that they Made these gains while running independent dynos...

Z eliminator....with. ur ET and trap speed I believe that this part produced some significant gains for you...Thanks for sharing

Installed the G3 this week and there is a definate increase in performance/sound. Can't really understand why this is even being questioned with so many satisfied customers out there.

Look forward to going to the track this weekend to verify the improvement.

So far best time is 8.71 in the 1/8th @ 83.8. Surely these will get me to an 8.6? Hoping for 8.5's.

Not to bash, but just to further a conversation about this. I did not say that I do not believe the power gains, I just said that it was hard for me to accept. I've personally seen dynos in the past for naturally aspirated vehicles and the most I've ever seen in person is about 8whp on a cold day. On turbo applications, I would definitely believe that a single CAI mod will produce gains of 20+whp. No doubt that one would feel a difference before and after a CAI. I'll check out the dyno forum for CAI gains.

So I found this about the Injen CAIs.

http://thmotorsports.com/storage/inj...intakedyno.jpg

So you gain the peak hp from 7k rpm to 7.5k rpm only.

I found RCZ's thread when he reviewed the Stillen G3 intakes. He dynoed 20whp from the intakes, but seeing that his bumper cover was off and air was directed directly to the filters, it would resulted in the high hp gains.

http://www.the370z.com/intake-exhaus...pressions.html

But RCZ did state that " I was pretty much speechless. I have never seen a 20HP gain from intakes on an N/A car. "

Tongman....I do appreiate the info that you are bringing to the table...after all we are all here to learn from eah other based on our info and individual experiences.... I too was at one point lead to believe that intakes do not produce significant gains....however based on all that I have read regarding the Stillen G3's I am pretty confident with the numbers that they produce and strongly feel that they are a great performance part.... don't get me wrong...not all intakes produce good results for the Z...for instance the Takeda short intakes as well as other intakes seem to produce little to negative power for the Z....however when talking about the STILLEN G3'S I feel its safe to say that based on what has been said about this part as well as RCZ'S and Semtex's reviews/dynos...its pretty clear cut that these particular intakes produce good results....

You're right about RCZ produing 20whp with his bumper off....but in Semtex's thread he did his dyno with the bumper on and produced 14.7WHP... Also in Semtex and RCZ's threads it was debated about the whole bumper on/off deal and some people posed some good things to consider...such as when you're on a dyno that you are at a stand still...so taking the bumper off and having the fans blow could probably fabricate a real actual driving experience where your car is traveling on the road having wind/air being forced into the grill area...some also pointed out and argued that the amount of wind/air that the fans are blowing into the filters with no bumper on can not duplicate real actual wind/air as compared to when driving on the road and not at a standstill such as a dyno run...of course this is subject to debate and interpretation....but they are both good points to consider...I have found supporting info to prove that other intakes don't produce good numbers...but it seems that Stillen got this product down to produce decent gains....I mean RCZ, Semtex, and ZEliminator got great results and all of them did independent tests/dynos to see whether Stillens claims of Whp gains were in fact true.... I have not found one thread yet that negates with actual proof anything bad about the STILLEN G3'S...

The reason why I started this thread was because as I was conducting research on this particular part I came across a post made by NYBLADEZ on a Stillen G3 thread that was posted by Elia CID..in. which I quoted NYBLADEZ's comment on the opening post of this thread on Page 1....I couldn't figure why he and others felt this way about the Stillen G3's when all the research I did on this forum said and proved otherwise...

Hey ZEliminator...out of curiousity...when you dynoed the 20rwhp with these intakes was your bumper on or off...and were fans used to blow directly into or towards the intakes?

Things I noticed after installing a G3 intake were smoother/easier throttle
response when going very slow, smoother coming off high revs, the car just
doesn't fall off the revs, and when hitting the gas revs up smoother not like
it is being thrown to high revs. I only have an intake so far, but these are the
same things I noticed on last two vehicles I owned and changed intake and
exhaust on also.
The one thing I didn't like was having to cut on the car, if you wanted to
re-install the stock intake again for possible trade-in then you might be
looking to replace the piece you cut on possibly??

[QUOTE=smokejr;736440]Things I noticed after installing a G3 intake were smoother/easier throttle
response when going very slow, smoother coming off high revs, the car just
doesn't fall off the revs, and when hitting the gas revs up smoother not like
it is being thrown to high revs. I only have an intake so far, but these are the
same things I noticed on last two vehicles I owned and changed intake and
exhaust on also.QUOTE]

I'm not a Stillen hater, nor do I want to derail the thread, but you can get those benefits from a more breathable drop in filter panel in the stock air box.

My bumper was on.
With full bolt on's i ran 12.8009.
I have now increased the trap speed's to almost 113 mph, (112.9 is my best)
With the stillen CBE, Berk cats, stillen headers, Under drive pulley NRT. i went from 264 rwhp to 311 sae or 322 actual rwhp. ( and my own cobb fuel curve) The power drops off at 7400 to 7500 rpm. It still make 298 at 8100 rpm.
47.6 rwhp was the actual gain and its a 7 AT. SAE RWHP.
Jnauts car is going at 12.68 and it's a MT.
these 2 370' Z are not slow and i can tell you that mines faster on the street than at the track.

No question about it. Never, I repeat, NEVER believe a vendor's claim of added HP. Subtract about 50% for a more realistic gain.

I gained 16HP from my Berk CBE as first mod.

IMHO, the metal of the CAI gets extremely hot in a closed engine bay. Removing the front fascia allows much more air into the engine bay, possibly cooling the pipes to release more HP. Another angle to consider.

I actually touched my tubes after a few drag passes immediately after opening the engine bay and they were ICE COLD, i dont think thats an issue.

LOL

Check my comment above...I said half and if I got 10 out of their 17.5 I'd be delighted.

NOW, for some of you who have heard or are saying the G3s are actually not as good as the stock box or have no measurable difference...some stats on today's trip.

I installed Friday and drove about 70 miles to the Z Nationals around noon today. I zeroed the MPH/MPG when I hit the interstate. About 65 miles later, I registered an average speed of 64.4 and a MPG of 30.5! We all know a CAI improves gas mileage. I've never pulled much over 27/28 before. Never in the 30s.

So what does this mean? It means the G3s are doing SOMETHING better than the stock airboxes. Maybe it's not a huge noticeable power increase (I THINK I notice a difference/increase but I'm allowing for it just being my wishful thinking). But the increase in MPG means the G3s are getting better air inside the engine and it's running more efficiently and if it's doing that, then it's making more HP.

And it was around 90 when I made that trip.

Another trip I routinely measure is from home to work. I'll see how that one turns out next time I drive to work.

PS: I didn't get this thing for increased MPG. It's a side benefit. I'm just using the numbers as proof something good is happening.

You G3 tubes were ice cold? lmao. Then the engine was too.

If you are getting better gas mileage, then your intakes are making less power. There is no free lunch. More power = more fuel consumption.

lol I touched my intakes after a whole day of racing on francorchamps they were quite cool even though my engine was pretty much overheated.

and more mileage means less power?

if the engine can burn its fuel more effectively than stock and the ECU adapts then I don't see why its impossible.

hell I know plenty of people who chiptuned their car and got more power while drinking less fuel.

I didn't say more mileage = less power. I said more power = higher fuel consumption. You guys can talk about "efficiency" all you want to. There is no free lunch.

As most bolt ons go they lean you out so you get better mileage, that doesn't mean they dont make more power than stock setup, it just means they could be making even more with a proper AFR.

As much of an authority as you seem to be, I thought it was pretty much accepted that CAIs increased power and economy. You'll pardon me if I side with Wiki over you...

Cold air intake - Wikipedia, the free encyclopedia

see, the purpose of a cold air intake is to pull in cold air... being that I just made a drag pass, the engine is required to take in quite a bit of air, being that the air was cold, it then in turn made the metal surrounding it cool, its a pretty neat concept. I've touched them after doing a bit of city driving as well and found them to be cool, apparently THEY ACTUALLY WORK.

Wow 370ZSteve...was looking at your signature and it seems that based on your comments you're dissatisfied with the G3's which is listed as one of your parts...Did you really get a decrease in power from them?