Jmax high flow air intake

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Jmax high flow air intake

Postby Jmurp157 on Mon, 29 Jun 2020 5:30 +0000

Gday ive just installed a ss jmax snorkel and am now looking to get a jmax high flow air intake with is, Ive tried researching it but there isn’t any info on it I just want to know what the benefits of it would be
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Re: Jmax high flow air intake

Postby hiluxxury on Mon, 29 Jun 2020 6:28 +0000

Its a good question.

Unless you are drawing more air due to a chip or tune, I'd say the engineers at Denso will have developed a far better intake.
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Re: Jmax high flow air intake

Postby Jmurp157 on Mon, 29 Jun 2020 6:37 +0000

It’s all stock engine performance wise I just thought maybe it might be a little more water tight and better filtration but it does not have much of a discription on it, I’ll post the link if you wanna check it out
https://www.jmaxengineering.com.au/prod ... rd-service
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Re: Jmax high flow air intake

Postby hiluxxury on Mon, 29 Jun 2020 7:04 +0000

It's pretty... but also pretty expensive.

My stock setup has been dunked plenty of times - you just need to close off the drain with sealant and make sure the joins on the snorkel if you have one are all sealed up as well.

The stock filter with its greater surface area would do a way better job as well.
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Re: Jmax high flow air intake

Postby specwarop on Mon, 29 Jun 2020 7:08 +0000

hiluxxury wrote:Its a good question.

Unless you are drawing more air due to a chip or tune, I'd say the engineers at Denso will have developed a far better intake.


Bit of a wild assumption. Denso are just like any other manufacturer, they will put in the most effective solution to maximize their profits whilst minimizing costs. The end result will 99% of the time NOT be the most high performance.
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Re: Jmax high flow air intake

Postby hiluxxury on Mon, 29 Jun 2020 8:28 +0000

We can agree to disagree on this one. I did say however... that unless you are drawing more air due to a chip or tune.

Anyhow, I certainly don't believe many aftermarket manufacturers have the engineering capability of a company like Denso. For a stock system, it's going to be the better setup.

I might also note that I'm also not here to defend any company, I just don't think the N70 needs $600 spent on it for a pod filter and a pretty box. The stock setup has been around for a long time now and you don't hear many whinging about dusting (probably after following a convoy on dusty roads :roll:) or other issues.
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Re: Jmax high flow air intake

Postby Bushwalker8 on Mon, 29 Jun 2020 9:21 +0000

specwarop wrote:Bit of a wild assumption.


No, a blindingly obvious conclusion.

A tiny general metal engineering and fabrication firm here in Melbourne making building frames, kitchen benches, boat repairs... and these. Versus Denso, a highly successful specialised global vehicle component giant with an impeccable reputation who's expertise and products have been sought by the worlds major vehicle manufacturers for decades?

These guys don't provide any specifications or test results for the filter. How would you be able to gauge the "racing" & "high flow rate" claims to either justify them, or realise it was actually a bottleneck, or compare it to the rest of inlet tract to make an informed decision that even if did have a reasonable flow that it was pointless because it was not needed?
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Re: Jmax high flow air intake

Postby Gipsy on Mon, 29 Jun 2020 9:38 +0000

Who would buy a Hilux to go racing??? It isn't really a high performance vehicle so it's hard to justify spending much on the intake system.
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Re: Jmax high flow air intake

Postby DeadlyBeast on Tue, 30 Jun 2020 6:42 +0000

Jmurp157 wrote:It’s all stock engine performance wise I just thought maybe it might be a little more water tight and better filtration but it does not have much of a discription on it, ...

I see on a previous post you have a 2015 N70 model
Save the coin, take your airbox out, seal up the drain valve if its perished or distorted and no longer closing. Look at the air intake diversion duct. The star rivets that hold this on are not air tight. If you hold it up to the light you can see small holes around each rivet. Seal up with sensor safe rtv. Seal up the plenum if you dont plan to remove the snorkel
Job done $$$$ saved.

If you are airbox deep in water you have much bigger problems to consider :lol:

Others mentioned performance - Pod filters have been shown to reduce power time and again or at best provide the same performance
The N70 OEM filtration is good - very good

Dont buy into the fast and furious hype
OEM is already a cold airbox intake minus the clear window and cheap flouro colour filter ;)

Afterthought:
You would also have to hope that any aftermarket airbox MAF sensor housing exactly matches dynamic air flow parameters that the ecu requires to produce correct AFMs. I wonder how many after market manufacturers invest in the hundreds of thousands$$ of test bed equipment and technical expertise required ??? Or do they just wack a hole in the intake where ever it will fit and call it good :shock:
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Re: Jmax high flow air intake

Postby Allords on Tue, 30 Jun 2020 3:30 +0000

Gipsy wrote:Who would buy a Hilux to go racing??? It isn't really a high performance vehicle so it's hard to justify spending much on the intake system.


Priceless :lol:
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Re: Jmax high flow air intake

Postby Allords on Tue, 30 Jun 2020 3:36 +0000

specwarop wrote:
hiluxxury wrote:Its a good question.

Unless you are drawing more air due to a chip or tune, I'd say the engineers at Denso will have developed a far better intake.


Bit of a wild assumption. Denso are just like any other manufacturer, they will put in the most effective solution to maximize their profits whilst minimizing costs. The end result will 99% of the time NOT be the most high performance.


Not really an assumption , but you're right they will put the most effective solution in as they have the impost of warranty.
I dont know of any after market supplier that would invest the hundreds of thousands, if not millions in R&D.

If you like the " bling " factor go for it, But if you think its a performance upgrade, you'll be disappointed.
Too many sensors ( unless) you turn them off.
I mean, if the MAF sensor reads more air than useful, it'll just shut it down
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