K&N, why so much??
K&N, why so much??
why are K&N's so expensive on the storm compared to other bikes?? ive found 1 on ebay for £70, is that about the best im going to get or does anybody have a links to a better deal. cheers

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ha-0011
HA-0011 VTR1000FV-F3 Firestorm K & N Filter £65.92 plus Del Retail £73.25 plus Del 

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K & N
I shall have look around - I think I can get HIFL http://www.hiflfiltro.com but I will have to verify that with my supplier. You are not the first to ask about BMC so maybe I should kick myself up tha butt lol
Steve
Steve
- Stormin Ben
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- Joined: Sun Dec 01, 2002 12:23 am
- Location: Birmingham
Me, I can
I've posted on here a number of times with my graph of my Strom with Pipercross filter and Remus road legals Vs mates Storm with K&N and Arts
Had my pipercross set up by Roger and he said its a right bugger to get right throughout the range
The issue is that its a massive foam element whereas the K&N is a standard sized element in a big sea of plastic (exactly the same as OEM)
What this means is that at the top end mine is flowing a lot more air & therefore makes more power than the K&N (even with road legal cans)
HOWEVER
This means that in the lower and midrange the hole is too big and the air velocity is low. Consequently it loses out to the K&N quite markedly
So you pays yer money and takes yer choice as they say
More top end at the expense of midrange grunt - Pipercross
More grunt at the expense of ultimate BHP (right at the top of the range) - K&N
Ben
PS let me know if you can't find the previous postings and I'll repost the comparison graph
I've posted on here a number of times with my graph of my Strom with Pipercross filter and Remus road legals Vs mates Storm with K&N and Arts
Had my pipercross set up by Roger and he said its a right bugger to get right throughout the range
The issue is that its a massive foam element whereas the K&N is a standard sized element in a big sea of plastic (exactly the same as OEM)
What this means is that at the top end mine is flowing a lot more air & therefore makes more power than the K&N (even with road legal cans)
HOWEVER
This means that in the lower and midrange the hole is too big and the air velocity is low. Consequently it loses out to the K&N quite markedly
So you pays yer money and takes yer choice as they say
More top end at the expense of midrange grunt - Pipercross
More grunt at the expense of ultimate BHP (right at the top of the range) - K&N
Ben
PS let me know if you can't find the previous postings and I'll repost the comparison graph
- Stormin Ben
- Posts: 1234
- Joined: Sun Dec 01, 2002 12:23 am
- Location: Birmingham
Ok
Here's the dyno graph
To reiterate, the red line is mine with pipercross & cans but prior to being setup by Roger
The Purple is AFTER being setup
The yellow is K&N, dynojet & Art cans (full on very load race cans)

As you can see mine is nearly 10bhp down in the midrange for the sake of 2-5bhp further up the rev range. (guess which one was easier to wheelie?:lol: )
Although to be fair race cans on mine would have added another 5(ish)
Hope this helps
Ben
Here's the dyno graph
To reiterate, the red line is mine with pipercross & cans but prior to being setup by Roger
The Purple is AFTER being setup
The yellow is K&N, dynojet & Art cans (full on very load race cans)

As you can see mine is nearly 10bhp down in the midrange for the sake of 2-5bhp further up the rev range. (guess which one was easier to wheelie?:lol: )
Although to be fair race cans on mine would have added another 5(ish)
Hope this helps
Ben
- Stormin Ben
- Posts: 1234
- Joined: Sun Dec 01, 2002 12:23 am
- Location: Birmingham
Mine cost £400 when I took it up there
HOWEVER
That was to do the valve clearances too which necessitated a couple of new valve seats
I think he said around the £80 mark including jets etc as I didn't bother with a dynojet kit
Best bet is to speak to him directly on 07970 915259
If you haven't already bought the dynojet kit I'd also recommend holding off til you've spoken to him
Ben
PS which filter have you decided to plump for?
HOWEVER
That was to do the valve clearances too which necessitated a couple of new valve seats

I think he said around the £80 mark including jets etc as I didn't bother with a dynojet kit
Best bet is to speak to him directly on 07970 915259
If you haven't already bought the dynojet kit I'd also recommend holding off til you've spoken to him
Ben
PS which filter have you decided to plump for?