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post 1 of 13 Old 08-09-2007, 12:47 AM
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Default z tube

Ok guys sorry for being a noob but I have a question about the "z tube". what is the benefits of having this? to me it looks almost exactly like a stock tube. Im my car "05 sti" when we do intake jobs we want to get rid of that accordian style piping and use silicon couplers.Why dont you guys do the same? does the stock tube have a resinator in it or snorkel? Sorry about the noob questions. youre responces are greatly appriciated. -jr
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post 2 of 13 Old 08-09-2007, 12:49 AM
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oem g tube has resonators and a snorkel...the z tube is a straight tube without any baffles. you won't get much gain in hp but it will definitely sound louder under wot.
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post 3 of 13 Old 08-09-2007, 12:53 AM
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makes sence. but as for the baffels go all of the pics that I see have the "baffels" on them via rubber hoses where it connects to the airbox and throttle body.why dont you use silicon couplers like everyone else?. Does anyone have a pic of their intake setup? im going see if I can find one.
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post 4 of 13 Old 08-09-2007, 01:02 AM
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here's one for forty bucks picked up in orange county.

FS....z tube for sale - G35Driver


btw...no need for silicon couplers. the z tube fits like oem on our g's.
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post 5 of 13 Old 08-09-2007, 01:12 AM
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Originally Posted by superdds View Post
here's one for forty bucks picked up in orange county.

FS....z tube for sale - G35Driver


btw...no need for silicon couplers. the z tube fits like oem on our g's.
good lookin out man. I know that you dont need silicon what i would like to know is why does an aftermarket part still use this accordian peice? you use a z tube to free up the flow and this peice is ribbed so it disturbs flow. wouldnt a straight peice of metal with a smooth coupler make more sents?http://www.6mt.net/mod-g35-350z-intake.php notice the "ribs" on the end of the z tube. shouldnt that be smooth? thanks for your patients with me bro-jr
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post 6 of 13 Old 08-09-2007, 01:26 AM
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i'm sure airflow is slightly disturbed but it's not going to hinder performance all that much. you might also want to look into plenum spacers for real noticeable gains.


Welcome To MotorDyne Engineering - G35 & M35
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post 7 of 13 Old 08-09-2007, 08:52 AM
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Superdds thank you for your help. -Jr
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post 8 of 13 Old 08-09-2007, 09:26 PM
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If you want an aluminum z-tube, I carry one manufactured by Berk Technology.

Berk Technology: test pipes, high-flow cats, z-tube

[b]Danny
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post 9 of 13 Old 08-09-2007, 09:44 PM
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still $100 shipped??

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post 10 of 13 Old 08-09-2007, 09:47 PM
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Question y would a "g" driver even want the stock z-tube? Wouldn't we want whatever they are replacing their stock tube with?



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post 11 of 13 Old 08-09-2007, 11:08 PM
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^^^it's stealthy, relatively inexpensive, and it does provide that deeper growl on WOT. if i had a z, i'd leave the z tube intact.
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post 12 of 13 Old 08-10-2007, 12:16 AM
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Default Z tube

After first getting my g, I was on here alot trying to figure out the best/cheapest things to do for my car. I went with the z tube and k&n filter. It is a inexpensive upgrade and while not giving much in power gains, the gas mileage improvement is well worth it. I have never noticed the increased sound, can feel a slight umph in power, but mostly just better MPG. I dont think you will be disappointed if you choose this compo, its a great starting point.
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post 13 of 13 Old 08-10-2007, 02:31 AM
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Quote:
Originally Posted by superdds View Post
^^^it's stealthy, relatively inexpensive, and it does provide that deeper growl on WOT. if i had a z, i'd leave the z tube intact.
It also won't mess up anything with your MAF Sensor like some aftermarket intake systems and CAI's do(sometimes resulting in engine stalling, strange idle and occasioal Check Engine Lights), provided that you don't overoil your air filter if you use something like a K&N filter which requires oiling when cleaning. Go with the Amsoil EA-Nanofiber filter though if you decide to put in an aftermarket replacement air-filter.... they let a ton less dirt by than the K&N's.

-2004.5 6MT G35 Coupe, Diamond Graphite/Graphite, Aero, Premium, Nav, Splash Guards, Aluminum Pedals, Z-Tube and K&N Air Filter, 3/8\" Motordyne Plenum Spacer
-2001 Toyota Tacoma SR5 Stepside 5-Speed 4X4 with siderails, Tonneau Cover, Bed Liner, and Rain Guards
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