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Home > Puma (Tdci) > Has anyone used a K&N air filter ?
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rossy



Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296

Ireland 2011 Defender 110 Puma 2.4 CSW Stornoway Grey
Has anyone used a K&N air filter ?
I have always used these filters in just about every car I've owned in the last ten years but haven't bothered with one in the Puma.
I'm aware that there is a little suspicion around oil contaminating the MAF but I don't see any evidence on the 'net that this has actually happened.
I'm also not sure if the slightly increased airflow would make any difference because the OEM filter seems plenty big enough for standard tune.

But has anyone used one and noticed an improvement in performance, mpg etc ?
Post #175632 14th Oct 2012 12:06pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19651

United Kingdom 
Personally myself stuck to OE but been very very tempted by after market but thought better of it. As you mention there has been mentioned of filter oil contaminating the MAF but likewise any proof I don't know. Personally I would rather just stick to OE as it's proven and problem free and the difference would be very slight if noticeable I'd imagine. However K9F on here use's and ITG and has had no problems I'm aware of. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
Post #175642 14th Oct 2012 12:39pm
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Dave-H



Member Since: 08 Feb 2011
Location: Surrey
Posts: 1507

England 2007 Defender 90 Puma 2.4 HT Tonga Green
Got a pipercross in mine ...... made absolutely no difference to mpg/power etc, i just prefer them as you can whip them out for a quick clean anytime and refit Smile Guns and Landrovers .... anything else is irrelevant.
Post #175644 14th Oct 2012 12:49pm
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leeds



Member Since: 28 Dec 2009
Location: West Yorkshire
Posts: 8578

United Kingdom 
Since Defenders are not exactly a performance vehicle do you need a 'so called' performance filter?

Used to run K & N filters in our red 110 until I read some independent comparison tests done in Australia. I went back to the standard LR filter after reading the reports and have stuck with original ever since!
.
Are there any real concerns about the amount of air available for the diesel engine in Defenders to 'breathe'

Do the remapping experts on here suggest you change your filter type when remapping your vehicle?

Have heard people recommend them for overland use. Not a view I agree with as it has always been easy to clean out or replace original ones.

The independent reports showed that the K & N filters passed more dust and clogged up faster then paper ones

Then if you are keeping vehicle a long time the K & N might work out cheaper.


Brendan
Post #175645 14th Oct 2012 12:51pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7710

2011 Defender 110 Puma 2.4 USW Stornoway Grey
i ran a K&N in my td5 for 110k miles

now run a ITG one from Porny in my Puma (18k miles) and my last Puma (22k miles) doesnt make any odds from what i can feel in mpg/performace on std tune, seems to have better low down pickup and top end when remapped.

although pseudo effect? Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #175647 14th Oct 2012 1:07pm
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rossy



Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296

Ireland 2011 Defender 110 Puma 2.4 CSW Stornoway Grey
thanks all !

Embarassed should've done a search Embarassed - which I have now done and the overwhelming evidence is that standard is more than enough. And thats good because Paddocks do an OE service kit (not Britpart) which consists of oil, fuel and air filter for 36. Damned fine value for money IMHO ! Smile
Post #175653 14th Oct 2012 1:52pm
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Supacat



Member Since: 16 Oct 2012
Location: West Yorkshire
Posts: 11018

United Kingdom 2013 Defender 110 Puma 2.2 XS DCPU Keswick Green
leeds wrote:
The independent reports showed that the K & N filters passed more dust and clogged up faster then paper ones


Brendan - would be interested to read that - do you have a link please?
Post #176477 17th Oct 2012 11:06am
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tatra805



Member Since: 16 Aug 2011
Location: Dolany
Posts: 436

Slovakia 2008 Defender 110 Puma 2.4 CSW Bonatti Grey
i've seen multiple independent test with opposite results depending from which site the testers were independent Mr. Green

oh, and yes a K&N will pass more dust as it passes more air volume, certainly when new and 100% clean. I get a bit nervous of manipulating results in so called independent results.

it's a old and ongoing discussion and i guess it is really hard to make a conclusion as a customer based on that type of info

I'm using K&N and no side effects noticed over the 15 years i am driving cars. Not positive or negative that is.

Reason why? Don't know really but i remember having a paper filter disintegrate after a splash of water and being sucked into the engine (samurai petrol) which made me replace it with my first k&n.

Smile
Post #176482 17th Oct 2012 11:31am
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