Z Tube

[lyons]

went had a chat to my friends at nissan today and i can get a 350z intake tube for $280.

worth it?

[whtbox]

NO!

Way too expensive. AU$280 you can get an After Market Intake with the Z-tube already.

[Ezy03]

wowwwwwwwww, dude i strongly suggest you to hit the search button on these forums and g35driver forums (US)

[lyons]

yeh but id rather not get 1 from the us

[turbosuk]

it'll be cheaper from the us

i got a c/f z tube from the us for $201 aud delivered

[Ezy03]

used JWT POP + Ztube going for around $55-80usd OBO's plus around i rekon another 50usd for shipping and wam bam thank you mam.

[n15m0]

I bought my z tube from a z owner who went aftermarket for $50. Shop around...anywhere is better than Nissan.!

[Touge Kyousou]

Why not go the American z tube ?

I think the American Z's have a proper straight pipe whereas the Aus Z's tubes still had a resonator on them (though nothing like on the V).

[Ezy03]

iv heard that too, but i dunno what it is or what it does :S please explain?

[Touge Kyousou]

The resonator helps reduce NVH from the motor making the car seem more luxurious/smooth. The z tube from US cars has no resonator though. Without analysing it too much, having any form of resonator should create a bit of turbulence and decrease of air speed which is not what you want for the car...unless of course you want it to be more quiet etc.

Ask Alan/Scathing, pretty sure he's taken his tube off before and noticed a small resonator on it.

[Unique]

Honestly, I would get one from the US. The US Z tube is better and being from the US works out a lot cheaper.

Shipping usually takes four days. I got mine from Riverside Infiniti, however there are other vendors out there, that are as good as if not better.

G35driver.com and Google are your friend.

As for install, seriously, 10mins with your eyes closed.

[scathing]

The resonator helps reduce NVH from the motor making the car seem more luxurious/smooth.

Ask Alan/Scathing, pretty sure he's taken his tube off before and noticed a small resonator on it.

You don't even need to take it off to see it.

Here's the AuDM intake pipe on my car:

See that branch off the intake tube, just right of the strut brace? The one that seems to be a shortcut to the intake plenum in the photo, but in reality goes nowhere? That's the resonator.

Here's a USDM engine bay:

No "appendix" on the intake tract.

[V35_Paul]

This is a stock intake for a V35

[V35_Paul]

Here's a USDM engine bay:

No "appendix" on the intake tract.

It should be under it. Just becasue you can't see it don't mean its not there

[n15m0]

It should be under it. Just becasue you can't see it don't mean its not there

If its the USDM Z tube pictured above, then its not there. Its just the tube.

[180 wanabe]

Dose a Z tube add any "real" power to the car? as in has anyone bothered to do a dyno test or anything... I just cant see there being much of a gain particually on a NA engine

[xscape237]

Dose a Z tube add any "real" power to the car? as in has anyone bothered to do a dyno test or anything... I just cant see there being much of a gain particually on a NA engine

Agreed. I dont know what the facination is with the "z tube". May as well just grab a proper aftermarket item, or leave the stock one there...

[n15m0]

There is no real power gains from the Z tube as far as I'm aware. Its a cheap intake mod which reduces restriction compared to the factory V35 intake pipes and as a bonus it gives a more aggresive engine note above 3-4K RPM. If you get it cheap why not...if ur gonna pay $200 for it I say go but an aftermarket shiny one with pod filter.

[V35_Paul]

Dose a Z tube add any "real" power to the car? as in has anyone bothered to do a dyno test or anything... I just cant see there being much of a gain particually on a NA engine

I did all before and after test on my mods. Plenum spacer, Z tube and JWT pop filter. about 7rwkw on the spacer and another 8rwkw on the Z tube and filter

[180 wanabe]

I did all before and after test on my mods. Plenum spacer, Z tube and JWT pop filter. about 7rwkw on the spacer and another 8rwkw on the Z tube and filter

SO what ur saying is that the spacer was good for 7kw on its own

and then with a filter + the x tube it was good for another 8kw? was this done on the same dyno on the same day @ around the same time as 8rkw from just a ztube and filter sounds like a big gain for what they are

so in total you netted an aditional 15rwkw by having the spacer the ztube and the filter?