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bendo Profile
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Date Registered: 03-2005
Location: Melbourne
TOTAL POSTS: 20
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Re: XTrail Air Filter


Was doing some research into cold air intakes, and found these articles concerning the techincal issues of installing a non-factory air intake:

http://www.autospeed.com/cms/A_1361/article.html

http://www.autospeed.com/cms/A_1370/article.html

Some interesting points raised in the first article regarding installing aftermarket panel filters, and the actual measureable airflow gain.

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Church: "Then she beat Jimmy to death with his own skull."
Tucker: "What? That doesn't seem physically possible."
Church: "That's exactly what Jimmy kept screaming."
6/Apr/2005, 9:04 am Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: XTrail Air Filter


quote:

basshead wrote:

The problem I see with any air filter/intake modifications on the X-Trail is that it will most likely result in a lower (closer to ground level) air intake point. See as I am much more likely (actually I swerve at an opportunity) to drive into deep water, there is the increased risk of damage to the engine by getting water into the intake. This was a major problem I had with my pulsar, where I had relocated the air intake to the foglight location in the front bumper bar. You can see photos here: http://members.iinet.net.au/~richnclare/pulsar_cai.html

If I did anything remotely similar to this in my X-Trail, I imagine it would have catastrophic affects on the engine as I tend to enjoy playing in puddles and driving through deep water. In my pulsar, I refused to cross over any water deeper than about 10cm.



Rich,

I have stumbled across THIS CAI (Cold Air Intake) set-up for our Exy, which is also available on eBay.

This is a Canadian company and apparently they have sold many of these to xtrail owners who have reported back (increased power and better fuel economy) not to mention the V8 sound of the engine at higher RPM.

You're correct however in saying that the placement is too low to the ground and could cause problems during water crossing, but there is a solution for this.

An air-bypass valve that is connected just before the MAF sensor. When resistance to intake of air is suddenly increased (such as when submerged in water), the bypass valve opens and allows air from the engine bay to temporarily enter through there without water going into your engine.

THIS is how the by-pass valve works.

Let me know what you think.


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10/Jun/2005, 9:05 am Link to this post Send Private Message MSN Blog
 
NPC73 Profile
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X-TRAIL HOLIC
 


Date Registered: 12-2004
Location: Mount Isa, QLD
TOTAL POSTS: 1247
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Re: XTrail Air Filter


Jalal,

Very interesting, sounds brilliant. Looks like the air bypass valve is a very good precaution, especially for you Rich.

Cheers

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Noel...
Member ID: X-072 (Retired Administrator)
2003 X-trail, TI, Manual, (Series 1) - (with the works)
2013 Toyota Prado, Manual, Turbo Diesel - (Snorkel-K&N-Full Exhaust, 20" Low Profiles, Chrome Bullbar, HID Spots, + All the Bling!)
10/Jun/2005, 10:35 am Link to this post Send Email PM   Send Private Message MSN Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: XTrail Air Filter


Yep Noel,

A precaution which we don't currently have with the OEM/factory set-up.

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10/Jun/2005, 10:43 am Link to this post Send Private Message MSN Blog
 
basshead Profile
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X-TRAIL HOLIC
 


Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: XTrail Air Filter


This valve and CAI sounds excellent! Just need to remember to mount the valve's filter up nice and high...

If I'm ever allowed to spend more money on the X-Trail, after I've lifted it, I would definitely do this CAI/valve modification (ok, maybe after the extractors were installed, too! emoticon ).



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Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
13/Jun/2005, 9:31 pm Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: XTrail Air Filter


Hi Guys,

I just wanted to show you the location of the CAI filter pod if you decide to do this mod.

DaveQ has posted an excellent pic in another thread where he has taken the front bumper off.

Image

Note the black plastic box in the passenger's side corner just near the tyre (resonator box) which will need to be removed to make place for the new filter pod.

You wont have to take the bumper off and you can get to it by removing the plastic splash guard.

The air-bypass valve will sit just above the filter inside the engine bay (the higher the better)


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15/Jun/2005, 9:05 am Link to this post Send Private Message MSN Blog
 
Dunoon Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 06-2005
Location: Orange, NSW
TOTAL POSTS: 269
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Re: XTrail Air Filter


QUESTION RE HICLONES
  I sent off an email to Hiclones Qld. to get a price for a K&N filter and they sent back info on their HICLONE device that fits into the air intake between filter and motor.
  Has anyone any experience with this HICLONE? They claim lots if increased power and economy.
  Their prices are (+ postage) :
     K&N filter $160
     Oil kit $29
     Hiclone $160
  It is all very expensive & would need to be VERY GOOD to warrant the expense.
  The Unifilter seems better value!
  Any comments or advice please?
John

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John,
From Orange NSW.
My rides are:
2002 TI Auto (Series 1) in Twilight, and
2007 Maxima in Bright Silver
2008 Piaggio MP3 400 in Black
Member number: X165
28/Jun/2005, 12:19 pm Link to this post Send Email PM   Send Private Message MSN Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: XTrail Air Filter


Hi John,

I'm not sure about the effectiveness of the Hiclones, but I (amongst many other xtrailers worldwide) can personally vouch for the effectiveness of the K&N filter and it is an investment well worth considering.

Don't bother buying the oil kit now, as the K&N comes oiled and ready for use, so you wont have to worry about applying oil to it again, until it's time to wash it, which should be in around 40,000kms after the 1st use emoticon

Good luck mate.


Last edited by jalalski, 14/Feb/2006, 7:36 am


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28/Jun/2005, 1:38 pm Link to this post Send Private Message MSN Blog
 
NPC73 Profile
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X-TRAIL HOLIC
 


Date Registered: 12-2004
Location: Mount Isa, QLD
TOTAL POSTS: 1247
Reply | QUOTE
Re: XTrail Air Filter


Definitely well worth the investment in the K&N Filter, although $160 is way over priced.

Jalal’s suggestion from Singapore would probably be one of the better options based on price.

If you’re hesitant in purchasing overseas and want to pick one up locally, you can always try Autobarn. Their price is around the $140 mark and if you try hard enough they may also discount it for you.

Mine cost me $119.

Cheers


---
Noel...
Member ID: X-072 (Retired Administrator)
2003 X-trail, TI, Manual, (Series 1) - (with the works)
2013 Toyota Prado, Manual, Turbo Diesel - (Snorkel-K&N-Full Exhaust, 20" Low Profiles, Chrome Bullbar, HID Spots, + All the Bling!)
28/Jun/2005, 2:41 pm Link to this post Send Email PM   Send Private Message MSN Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
Reply | QUOTE
Re: XTrail Air Filter


Yep, mine cost me $119 from Autobarn as well (it wasn't available from Singapore then).

For pics, see page 6 of this thread.

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28/Jun/2005, 3:03 pm Link to this post Send Private Message MSN Blog
 


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