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Induction Kit or Uprated Panel Filter #1600588
16/05/2017 06:59
16/05/2017 06:59
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Morning all, I was wondering if someone can help please. I understand this question has probably been asked often.

I am looking for a replacement air filter but am unsure whether to go for an induction kit or replacement panel filter?
I had a HKS type Mushroom filter on my 20VT which had somehow snapped off the plastic which it was connected to so have to put the standard airbox back on.

Car has a Stage 2 FC remap and has a Scorpion cat back system. Purchased the car with the exhaust and filter.

Thanks in advance,
Paolo.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600601
16/05/2017 11:39
16/05/2017 11:39
Joined: Aug 2007
Posts: 8,057
Southsea
G
Gunzi Offline
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Gunzi  Offline
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Je suis un Coupé
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Southsea
Hi Paolo,

Welcome to the forum!

There will be a difference in the amount of noise generated which you may have noticed when you went between the induction kit and original airbox. Induction kits tend to make a 'darth vader sucking type noise where as the standard airbox is more muted.

As your Coupe is modified it was probably mapped with the induction kit on and therefore a change in the way the air 1st enters the engine *may* alter the driving characteristics and power. I'm sure Leighton from FC Performance (Flea on the forum) would be able to confirm this.

An in-between option is drilling the passenger side of the airbox to give a bigger roar but not so much darth vader.

I started with an original airbox -> drilled it -> Apexi induction kit and frankly for me the best noise was the drilled airbox, but since the shortest inlet tract was the induction kit, I kept the Apexi.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600603
16/05/2017 11:48
16/05/2017 11:48
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Hi Gunzi,

Many thanks for the welcome and response. Admittedly, I would like to get another induction kit as that sounded great but for the moment I have to put the airbox back on which I will do tonight.

Yes, Leighton did the remap with the kit which just fell apart and hopefully when getting another kit, it will be the same (performance wise) as before.

I'll have a look at the Apexi as I've heard these are decent for the 20VT.

Many thanks again Gunzi.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600606
16/05/2017 12:11
16/05/2017 12:11
Joined: Jul 2008
Posts: 12,643
Watford
MarioCirillo Offline
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MarioCirillo  Offline
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I AM a Coop

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Watford
Drilled airbox with K&N Panel Filter is the best way forward


Proud Owner of Rosso Speed LE041
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600615
16/05/2017 13:10
16/05/2017 13:10
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Thanks as I guess that would save a bit of ££ as the panel filters are quite cheap. Where is the best place to drill the holes in the airbox?

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600636
16/05/2017 16:43
16/05/2017 16:43
Joined: Aug 2007
Posts: 8,057
Southsea
G
Gunzi Offline
Club member 189, Former Club President
Gunzi  Offline
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Je suis un Coupé
G

Joined: Aug 2007
Posts: 8,057
Southsea
This was my approach, I didn't so much as drill the airbox as install a piece of B&Q drain pipe.

click to enlarge

It made a great noise whether spooling or full boost.

This was the Apexi Induction kit I ordered. I read a lot of stories of fake units being sold cheap on eBay so decided to order from a firm I knew direct from Japan. If you don't mind waiting then this is a great way to buy.

If you go the Apexi route presumably you can measure the inter diameter of the inlet pipe and match to the correct Universal kit?

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600644
16/05/2017 18:42
16/05/2017 18:42
Joined: May 2011
Posts: 2,388
Caston, Norfolk
Blueboyracer Offline
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Caston, Norfolk
I drilled three 70mm holes on the passenger side of the air box and another in the base, then pop riveted on a gauze cover sprayed Matt black.

This gives an awesome sound and air flow.

I will try and dig out a pic but don't hold your breathe as that's a bit techy for me

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600647
16/05/2017 18:46
16/05/2017 18:46
Joined: May 2011
Posts: 2,388
Caston, Norfolk
Blueboyracer Offline
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Blueboyracer  Offline
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Posts: 2,388
Caston, Norfolk

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600659
16/05/2017 20:37
16/05/2017 20:37
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Cheers all. Still not sure which route to go as I do love the work that's gone into the airbox and the Apexi kit does look great value. Decisions decisions eh :-)

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600679
17/05/2017 04:30
17/05/2017 04:30
Joined: Dec 2005
Posts: 1,462
Kent
Submariner Offline
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Submariner  Offline
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Kent
I had a K&N cone on mine for a couple of years...swapped to airbox and panel filter about 10 years ago...couldn't believe how much better/responsive the engine was lower down the rev range compared to the cone...my car is near standard.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600686
17/05/2017 06:36
17/05/2017 06:36
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Interesting. Saying that, I had a Strada Abarth with bolt on K&Ns and it sounded nice until a heard a friends one which sounded even better. I asked him what he did to make it sound that way? He had the standard airbox with an uprated panel and cut the top of it off. It sounded immense so I did the same.

I'm veering toward drilled airbox and panel filter now :-)

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600817
18/05/2017 17:20
18/05/2017 17:20
Joined: Jan 2016
Posts: 649
UK
Clintos Offline
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UK
K&N or pipercross?

Will a remap be needed for replacing the panel filter from OE to say a pipercross? I'd like to change only to gain a little more induction noise whilst keeping the OE look of an unmolested air box.........


Boooooooooost!!!
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600859
19/05/2017 07:25
19/05/2017 07:25
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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That is one thing I'm not sure about Clintos as I don't know how much difference and induction kit/uprated panel filter will make.

Mine was remapped with the mushroom type filter I had on mine, which has split in two. I've put the standard filter and box back on and will go for a K&N panel filter with drilled airbox at the end of the month. I hope I won't need another remap for this small mod!

Re: Induction Kit or Uprated Panel Filter [Re: Submariner] #1600868
19/05/2017 08:45
19/05/2017 08:45
Joined: Mar 2008
Posts: 5,090
highlands
jimboy Offline
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highlands
Originally Posted By Submariner
I had a K&N cone on mine for a couple of years...swapped to airbox and panel filter about 10 years ago...couldn't believe how much better/responsive the engine was lower down the rev range compared to the cone...my car is near standard.


Yep, been said on here on several occasions that a cone filter will loose you omph just where you would want it. K&N panel is disliked by some because of the oil issue. Standard set up works well, in saying that I've a non oiled Pipercross panel filter simply because I purchased it for next to nothing & it will last.

When I first got my Coop I had a double foam mushroom filter that I used, sounded great but it was messing about with the air mass sensor.


I'm an old git & happy with it,most of the time
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600869
19/05/2017 08:59
19/05/2017 08:59
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Thanks for the response Jimboy. So, standard or Pipercross panel filter with drilled airbox is possibly the way forward then? I'll look into that.

Cheers again pal.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600871
19/05/2017 09:30
19/05/2017 09:30
Joined: Mar 2008
Posts: 5,090
highlands
jimboy Offline
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jimboy  Offline
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highlands
Drilled airbox will not give you anything other than extra noise. It's been proved on here how the OE air system is well up for handling tuned up Coops.


I'm an old git & happy with it,most of the time
Re: Induction Kit or Uprated Panel Filter [Re: Gunzi] #1600875
19/05/2017 10:24
19/05/2017 10:24

J
Julien
Unregistered
Julien
Unregistered
J



Originally Posted By Gunzi
This was my approach, I didn't so much as drill the airbox as install a piece of B&Q drain pipe.

click to enlarge

It made a great noise whether spooling or full boost.

This was the Apexi Induction kit I ordered. I read a lot of stories of fake units being sold cheap on eBay so decided to order from a firm I knew direct from Japan. If you don't mind waiting then this is a great way to buy.

If you go the Apexi route presumably you can measure the inter diameter of the inlet pipe and match to the correct Universal kit?


I had the same apexi filter a few years ago on my 16vt...i didn't understand why my coupe would not produce more power above 0.9 bar (with td05h-18G so around 280hp, filter was given for 450hp and was 76mm inside diameter).

I searched for months the reason of the low performance at 1.2bar then I tried to remove the filter "just to give it a shot".
I instantly gain 30-40hp

I now run a massive AEM filter with no performance downside.
Stock airbox is ok until 250hp, if you want to go 300hp+ then you should look for a good induction kit.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600881
19/05/2017 11:12
19/05/2017 11:12
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Thanks guys,

I'll have a hunt around and see what I prefer. Would definitely love to drill the airbox as I liked the noise it had before.

Last edited by pvig73; 19/05/2017 11:14.
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600886
19/05/2017 11:43
19/05/2017 11:43
Joined: Mar 2008
Posts: 5,090
highlands
jimboy Offline
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jimboy  Offline
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highlands
With big induction kits comes a lot of extra noise & that is enough for some petrol heads to be going on with. I'm no expert but I used to swear by this sort of thing, but on reading up & listening to what others have said/discovered the amount of extra air going into the engine with an aftermarket induction kits is minimal, & that's the whole idea of things is it not?

If more/extra power is your goal there are other avenues to pursue, but I Like a bit of extra noise myself. Actual tests & proved data kinda does it for me. driving


I'm an old git & happy with it,most of the time
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600887
19/05/2017 11:49
19/05/2017 11:49
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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A bit of noise and definitely a bit more power is what I'm after....well, I like the power to be responsive all in all.

Pipercross panel filter it is then.

Thanks guys :-)

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600902
19/05/2017 14:14
19/05/2017 14:14
Joined: Dec 2005
Posts: 1,462
Kent
Submariner Offline
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Kent
The oil on the panel filter has not been a problem for me and the MAF (nor was the cone tbh) if you are liberal with the oil after cleaning it.

Cone apparently gives more top end for slightly poorer low down, around Town the cone was awful and the car felt unresponsive. I agree with Jim a bit more induction noise and nice whoosh from the recirc dump valve is nice, I don't personally like the chavvy PSSSSHHHHT of the vent to atmos one's.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600903
19/05/2017 14:21
19/05/2017 14:21
Joined: Jan 2016
Posts: 649
UK
Clintos Offline
Club member 2040
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UK
Is the standard air box inlet horn in the best position for maximum cold air inlet too as I always thought it was a bit high in the engine bay and could have done with a longer inlet pipe into the air box horn......any comments or thoughts?


Boooooooooost!!!
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600904
19/05/2017 14:26
19/05/2017 14:26
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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Thanks for the input Submariner. I like low down torque and with the mushroom filter, it was purely more noise rather than response when accelerating low down. I'll see how it goes with an uprated panel filter.

Re: Induction Kit or Uprated Panel Filter [Re: Clintos] #1600906
19/05/2017 15:20
19/05/2017 15:20
Joined: Mar 2008
Posts: 5,090
highlands
jimboy Offline
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Originally Posted By Clintos
Is the standard air box inlet horn in the best position for maximum cold air inlet too as I always thought it was a bit high in the engine bay and could have done with a longer inlet pipe into the air box horn......any comments or thoughts?


I used to think along these lines once Clint & was convinced cold air would be better if the position was different, however I've since read a well informed piece about how a car on the move, the air is cool all over the engine bay. I'm being a bit simplistic, there was more to it than that, but that was the nuts & bolts of it.


I'm an old git & happy with it,most of the time
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600912
19/05/2017 17:31
19/05/2017 17:31
Joined: Oct 2008
Posts: 6,783
In the coupe.
magooagain Offline
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In the coupe.
click to enlarge

This is mine. I removed the front trumpet,then made the hole bigger.
I now have that red tube collecting air down at the front spoiler and the rest of the hole collecting air as before but no trumpet.









Last edited by magooagain; 19/05/2017 17:52.


Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600913
19/05/2017 17:42
19/05/2017 17:42
Joined: Nov 2016
Posts: 74
Durham
pvig73 Offline OP
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I like what you've done there Magoo. Interesting mod.

Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600919
19/05/2017 18:02
19/05/2017 18:02
Joined: Oct 2008
Posts: 6,783
In the coupe.
magooagain Offline
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In the coupe.
URL=click to enlarge



Re: Induction Kit or Uprated Panel Filter [Re: magooagain] #1600939
20/05/2017 02:49
20/05/2017 02:49
Joined: Jan 2016
Posts: 649
UK
Clintos Offline
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Originally Posted By magooagain
click to enlarge

This is mine. I removed the front trumpet,then made the hole bigger.
I now have that red tube collecting air down at the front spoiler and the rest of the hole collecting air as before but no trumpet.

Any improvement on performance and temperatures etc?










Boooooooooost!!!
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600945
20/05/2017 05:38
20/05/2017 05:38
Joined: Mar 2008
Posts: 5,090
highlands
jimboy Offline
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Apologies for going slightly off topic, on a different take on performance & things that can be done to the Coop especially so a daily driver & I'm not the only one on here that thinks this. A well set up car ie suspension/rear uprated arb etc, upgraded brakes all tailored to the individual's requirements, makes for comfort & a spirited drive that lends itself to the Coop... wink

No doubt about it, a trackday beastie would be a great experience & I do get why some are chasing more & more horses. A daily driver in a well set up tweaked Coop as we all know can be a very rewarding driving experience for the petrolhead.... driving


I'm an old git & happy with it,most of the time
Re: Induction Kit or Uprated Panel Filter [Re: pvig73] #1600946
20/05/2017 05:38
20/05/2017 05:38
Joined: Oct 2008
Posts: 6,783
In the coupe.
magooagain Offline
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In the coupe.
It still performs well in very hot temperatures.

But I can't really say if it's an improvement . I would have to put a standard system back on to see a difference I imagine.
And that's to much faffing about.

I think it's basically that you make a choice and try it out.

In my situation all sorts of stuff is going on and it's hard to think about what slight difference an air intake makes when I have two or three French hot hatches trying to get past me on a hairpin.



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