what is the best intake short ram or cold air

joey

Hey i am new to the forms, i just got a 370z love it and wanted to get a intake but was not sure what i should get, people have told me to get the short ram gives better performance and the cold air are too long and are for top end i always thought the cold air was better i am a little confused

AK370Z

Joe

Welcome to the forums.

There's no right or wrong intake. They are all different and have different styling and sound. Click here Intake/Exhaust - Nissan 370Z Forum and scroll down the page (next few pages) You'll see them one after another.

I believe STILLEN G3 is the MOST popular intake on the forum. There are few members with Injen long tubes, HKS, JWT etc.

Good luck

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EDIT: AK beat me to it.

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Matt

Most people are reporting the most gains from the Longtube Intakes, like Stillen or Injen.

Some of the shorter intakes just don't ensure enough *cold* air gets in, and are showing very small gains, and in one (possibly anecdotal instance) case, a loss of power after the installation.

Take into consideration, that each of the popular longtube intakes also have slightly more involved installation requirements. The injen, for example, requires aftermarket wiper fluid tanks to be installed. The Stillen G3 require slight widening of some holes in the diffuser plate (I hope that's the correct term).

Definitely check out the exhaust/intake section for reviews/write-ups about the different intakes being offered currently.

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joey

thanks been alot of help

vipor

G3 win!

Most that have gone with short rams have later upgraded to long tubes.

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Trips

save yourself some cash, and just go with Long Tubes

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FuszNissan

Unless you want looks and an easier install. But if you want performance and maybe an hour of work, go with long tubes.

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antman22

with the stillen ultra long tubes, i know there's some work (as mentioned earlier) where you have to cut out some holes...does any of this void the nissan warranty? heck, does installing new intakes void the warranty?

jpit

Not all this information is totally accurate. I have R2C short intakes (which are sealed off from engine heat) and when combined with the Modshack vent modification the intake temps are as low or lower than those provided by the G3. Some tests have shown that as soon as you re-install the front bumper much of the G3 advantage is lost. Regardless of which intake you use (including the stock) the Modshack modification does provide a real benefit.

Red370

the R2C's have a heat shield, which gets hot, which in turn makes the area surrounding the filter cones to become warm, the G3's are a true cold air intake and collect air passing between the fangs, they are by far, in the most efficient location they could possibly be. People have dyno'ed the G3's up to 20whp, not crank, wheel. I'll tell you right now, after a few drags last night, the engine was hot, the tubes themselves were ICE COLD, which says to me that the intakes were sucking in a pretty good amount of air. I'll be doing an independent dyno soon, and my butt dyno is definitely telling me i've got the juice.

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Red370

Also keep in mind that the G3 dyno's are done sitting still with a fan, so if they're producing gains of 18-20 whp sitting still on a dyno, imagine what they actually make cruising on the highway at 70+ mph or hauling a$$ down the 1320.

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theDreamer

Please provide results to this part of your comment.
I can search a multiple set of journals on this forum and pull up people getting 15+ with Stillen Gen III with front bumper on for dyno runs. Not saying the modshack design plus better filters is better or worse, but the Gen III do great with the bumper on/off.

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Red370

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jpit

Here is a quote from Mike Kojima (perhaps the most well-known Nissan tuner) when he tested the G3 on a 370Z automatic

"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."