nope. not an issue. this intake really helps the power all the way thru. semtex and RCZ...and probably a few others have actualy dyno sheets, so u can see that gains are large and throughout the power band.

^thanks for confirming, I'm ordering mine tomorrow and I'm glad to hear the power is actually felt throughout the powerband

^^you wont be upset

Jon, here's a link to my dyno sheets if you want to look at them. http://www.the370z.com/intake-exhaus...eview-etc.html

yes but the problem with dyno sheets is that they are not 100% accurate tests. Keep in mind, when the car is traveling @ 130mph the air flow through the filters may be obstructed. I hope this isnt the case, and it probably isnt becasue it is a rare issue, but I was wondering if anyone had actually track tested it.

I haven't track-tested it per se (with quarter-mile numbers, lap times, etc.). But FWIW, I can tell you that when I did what I did in the video in the following thread, it pulled smooth and hard all the way to top speed. http://www.the370z.com/nissan-370z-p...ing-drive.html

Btw, while I agree that dyno tests can never be 100% accurate, I think the same can be said for any 'track-test', because there are so many variables that go into 'track conditions'. In other words, when comparing lap times on one day to another, variables such as track temp, air temp, fuel loads, etc., all come into play as well. So at the end of the day, we have to take comparative numbers as approximations, no matter if they come from dyno sheets vs. track sheets. JMHO.

I am just curious if the cutting involved is metal work or plastic? It almost looks from the pictures that it's just molded plastic but I could be wrong (certainly not the rails from what I can see).

Thanks in advance and sorry if I missed this answer already while quickly scanning through the thread.

Plastic. :)

Well in that case I am sold... Now just have to find someone to ship down under (AU).

Subbing

Considering the last response was in 2010... Don't think you'll see much activity.

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STILLEN Longtube G3 Intakes. Review, Dyno and Impressions.
 

Sup gentleman. I have had the Stillen longtube G3s for about two years now. Over the last couple of months has been experiencing some hesitation when it comes to accelerating rapidly. I have also noticed that my check engine light came on, probably had to do with emissions. So I decided to take it to Nissan, and they assured when they ran the diagnostics test it had to so with the intake system.

Has anyone else encountered the same issue with theirs?

Please advise if any info.

Thanks,


-Adalvar

Nissan will look to do anything to blame a problem on something modified to avoid having to warranty any work or actually do any work. Have you cleaned the filters?

That's a given. I don't know what else it can be. I haven't done that yet. However, I did come a crossing cleaning the filters at 50,000 miles. My car has 28,000 miles. About 14,000 of them are with the intakes.
Suggestions?


-Adalvar

Dirty MAF's ? Have you tried cleaning them. I know guys running into issues with MAF's being dirty from the "oil" on the KN's with this kit.

Did they tell you what the codes were?

Anyone who has been asking about discounts on the Gen 3's. They are on sale until June 1st right now!

STILLEN Gen 3 Intake Sale!!! Ends June 1st!

I have the G3 on my 370 and have been having some issues...I felt like I lost some power and took it in to get looked at. Tech says the intakes may be causing my gas to be running lean. Any merit to this or should I keep looking for other causes?

Just saw this after I posted. Yeah man tech are saying the intake is causing my car to run lean. And I'm def not getting the same pick up and go as I did when first installed. Have had them on for about a year. Contemplating putting my stocks back on. Hope Stillen see these and can give us some answers

I ran mine for over a year no problems. Has anyone checked the codes? ^^^^ do you have codes or going of butt dyno. These cars run so rich from the factory that intakes alone wouldn't cause a lean issue unless you have leaks in the system after the MAF's. Try cleaning the filter, Over a year should be cleaned anyways and clean the MAF's.

I have a friend who was fully bolted , Headers ETC, and wasn't so lean he had problems. He drove it that way for over a year before getting a tune.

So I'm guessing they didn't give you any details on things like Alpha's? So there was no Check Engine Light at all?

STILLEN Longtube G3 Intakes. Review, Dyno and Impressions.
 

At the time of my diagnostic with Nissan I didn't think of asking them for the codes.

According to the sales associate at stillen, I won't mention his name, I didn't have to clean my air filters until at least 50,000 miles, my car only has 28k miles on it. However, I noticed that Stillen now has an oil filter and dry filter. I will clean out the filters, but at least I'm not the only one with the same issue.


-Adalvar

http://images.tapatalk-cdn.com/15/05...708ae7543a.jpg stock except drop in K&N...Dyno Guy said mine was a tad rich... But makes good power/1st run in 4th to 7200,,,2nd in 5th to 7k....156mph-hit speed limiter


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Take that 50k mileage and throw it out the window - you've changed to a completely different intake setup. One that is more exposed to the elements.

Take them off, give them a good cleaning. Also, clean your MAFs.

Are u running anything else besides the intakes (I.e. hfc's, headers, tp's, cbe?) If so the addition of the intakes will cause u to run lean and will require for u to get a tune via UpRev in order to fix it. I had this issue when I added the G3's to my setup. Tune fixed the issues of it running lean.

Yeah...I'm running nismo cat back with it. I'll look into a tune

Like Stated above that ridiculous @50k, Clean them every 12k or once a year you'd be surprised how dirty they are. At 50k they be cake !! An clean the MAF's

We have not seen this issue with just 1 additional mod. We have seen this happen with customers running Gen 3's, Cat-back, and High Flow Cats or Headers. The Cat-back and Gen 3's have never given us an issue. I would be interested in figuring out why yours threw codes.

So are you getting any CEL's? There are other factors that could be contributing to this, but it is hard to say. Not knowing where your car started a dyno would only tell you so much. Either way, you will gain power from a tune at this point (though if you are thinking about any other engine mods I would do it before the tune).

50K + is a bit optimistic. I have spoken to K&N and they are very confident in their filters. For an air intake system they have said that 25-50k miles are the cleaning intervals that are ideal. The best thing to do is to inspect the filters and see if they need cleaning. Dirty for the K&N oiled filters isn't really a big issue. They state that the filters work better when a bit dirty. I personally clean my filters when I see build up on the wire mesh for the filter. Was typically ~20-25k miles when I lived in Los Angeles. Seems to stay cleaner here in Orange County so I'm guessing I'll go 25-30k miles.

Yea the reason I clean mine once a year is the east coast is tuff weather wise, Snow, sleet rain, tends to beat the crap out of anything, LOL

Makes sense. I've never had to take care of an east coast car so you'd probably know better how quickly things get dirty LOL.

Inspection is always the key. Just look at them every 10k miles or so and see how the filter is doing. If the wire mesh doesn't have build up on it yet you are okay.

Exactly what i do. :)