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K&n Filter Install


tarquin
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Hi all,

Moved away for a short time from electrical/electronic modifications to mi iQ and thought I would have a look at improving performance.I have already had a custom made twin output exhaust system fitted.

So moved to under the bonnet. Today I fitted a K&N filter 571i . It took about 15mins and is fully reversible for people who would want to fit the original air filter back for warranty and servicing so MR T is none the wiser.

I think someone one on here already allowed K%N to use their car in the development of the filter.Many thanks to them. My findings are :- I have a 1.0 multi drive so can't really hold it in a particular gear,but am very pleased with the result.Firstly I would say is that the engine note hasn't changed that much but does on hard acceleration. I would say my normal 0-60 is somewhere in the region of 14 seconds and am now achieving around 9sec depending on how you kick down ect.. It feels very smooth.The K&N installation gives you a cool air hose which sits about 4 inches from the filter in the engine bay and goes down and pops out under the front skirt, held in place with cable ties.It works but was looking for something neater. I am now looking to utilise the front part of the original air box.The back half is removed in the installation along with the original filter

David

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Over the years i have used K&N filters on offroad 4x4's.

(not any more)

Long life & re-coatable when cleaned & use the correct kit.

Perfect for vehicles working in the right environment, dust, wet, & needs to protect the air intake on a vehicle.

K&N filters in many cases just stangles a motor,

not worth the price of the postage,

it will give no performance or economy advantage over a nice clean fresh standard filter

in fact it reduces performance when fitted & sealed properly & all induction comes through the K&N filter.

Just my opinion & experience of them,

& that includes a few years of taking different vehicles big and small up the 1/4 mile.

Snake oil.

Let a car engine breath nice fresh air, more air, more fuel more go if the sensors maping lets new modern engines have it..

Hot air that is kicking/sitting about a engine compartment with an engine up to temp & being taken in a filter is not as nice as fresh cooler air coming into an airbox from an external outlet. Again just my opinion & experience.

george

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