2XS Stealth Series MPS BOV

[lup15]

will this fit the gen1 with the stock airbox? just sold a greddy one due to fitment issues. any cheaper for picking up?

[Jeev]

Everyone should support our local businesses such as 2XS Racing. Keep up the good work !

I reckon I'm close to putting his kids through Uni by now

[Nirvandan]

will this fit the gen1 with the stock airbox? just sold a greddy one due to fitment issues. any cheaper for picking up?

From the pics Its almost identical to the stock one so it should fit fine.

[2XS]

will this fit the gen1 with the stock airbox? just sold a greddy one due to fitment issues. any cheaper for picking up?

Almost identical in size to the stock item.
It will fit standard airboxes.
It was designed for that exact purpose. (I have seen issues arise from large BOVs and fitment concerns)

[Nexus]

(I have seen issues arise from large BOVs and fitment concerns)

Speaking of which...(HKS fitment on mine took some stuffing around to fit neatly...)
a quick question about bypass flutter...with the HKS in mind.

When I first read about the bypass flutter I noted mine gives a flutter noise, and along with news that the OEM bypass and hypertech tune respond well together, it made me want to be sure that mine's fine, despite confidence in it.

Anyway, the observation I've made is this; that the flutter bypass I get under lighter throttle conditions is the first stage HKS bypass - slower release, and it has a consistent rate of about 4 opens / sec...

So rather than psht..psht...psht.....psht........PShhhh
it's psht-psht-psht-psht quite quickly.

Under wide throttle, lighter lift-off will still give the slow release bypass, but a quick liftoff will open the second stage bypass, and boost is dumped to recirc much quicker - PSSSHT

So I'm wondering if anyone has compared HKS vs OEM bypass on HT tune - I'll post that question seperately, so as not to hijack your thread....

I thought I'd also mentioned it in case someone else with the HKS was questioning theirs. With the HKS valve, the flutter is a design feature, and obviously not a concern, yes?

The OEM, 2XS and many other designs are a simpler single-stage valve, yes?

What comparisons in behaviour would you make, and what pros and cons to the HKS design do you see, compared to the OEM or 2XS stealth?

[2XS]

Personally, I consider the HKS to be very well designed for holding boost.

It acts in a reverse type setup, whereas it has to pull the valve open rather than push. Good for holding higher boost levels, but, does it releaase the boost quickly and sufficiently?

It comes down to personal opinion as to whether it is better or not.

Next time I decide to run "big" boost, I'll go for twin HKS SSQ BOVs.

[phong]

when will you have some in stock?

[2XS]

when will you have some in stock?

I can have one ready by the end of the week.