Tuning K&N Filter

beacon · Mar 19, 2008

In the bike world K&N is the make of air filter to go for,and gives a good return on money / BHP, what do you do in the B world? Plus on bikes getting rid of the CAT makes a HUGE difference in power weight stats! on 4 wheels this is not an option I assume because of MOT emissions etc.

Chris

docorangepeel · Mar 19, 2008

You can fit a sports CAT that helps and as for a filter this forum has loads of info on all the filters that will fit on a B.

Green filter, CDA filter, .............

wish mine was orange · Mar 19, 2008

hi beacon
i have the k&n on mine its is better than the standard, gives the car a little extra. of course you can get better just ask doc

hope your enjoying your b when do we get inside shots?

beacon · Mar 19, 2008

Inside shots,umm the motor needs some tidying up! after looking at Doc's under bonnet view! How do you get an engine looking like that? But the interior of the B is great, real good nick, was the K&N a straight fit or a major engineering job like some I have seen on the forum?

Chris

wish mine was orange · Mar 19, 2008

we like to keep things simple here k&n is a direct replacement of the oem. it only cost £54 so go cheap upgrade.

you got leather seats then? and orange console or black? when do i get to see it are you ever down this way? i make good tea

Robot · Mar 19, 2008

He probably doesn't like sheep nor does he have a cousin named Jones, so he isn't likely to be down your way

dave · Mar 19, 2008

in the car world K&N induction kits are

K&N replacement pannel filters not too bad

LittleRedB · Mar 20, 2008

beacon said:
In the bike world K&N is the make of air filter to go for,and gives a good return on money / BHP, what do you do in the B world? Plus on bikes getting rid of the CAT makes a HUGE difference in power weight stats! on 4 wheels this is not an option I assume because of MOT emissions etc.

Chris

Depends what you want to do. You can slot a straight replacement in K&N in the stock filter housing or get rid of the acres of plastic induction ducting and bolt on an induction kit, either options are easy to do. I am not going to get into the what filter generates the most increase debate as the thread will go right off track - there are also loads of threads already debating this topic!

If you would like a nice growl under the bonnet stick an induction kit on, if you are not worried about the noise but would like a better filter than the stock one go for the K & N replacement.

You are spot on with the CAT, although it is possible to get a replacement pipe that cut's the CAT out, you would need to replace the CAT for MOT's of course!!

Shelxs · Mar 20, 2008

LittleRedB said:
You are spot on with the CAT, although it is possible to get a replacement pipe that cut's the CAT out, you would need to replace the CAT for MOT's of course!!

As well as for the sake of the planet!

xS

LittleRedB · Mar 20, 2008

Shelxs said:
As well as for the sake of the planet!
xS

:nutter::nutter: You've lost it xS!! :nutter::nutter:

China pump's out more CO2 in a day than Europe does in a month - cannot help but feel that the additional kg I would pump out over a year would make that much difference - but I do get your point!

wish mine was orange · Mar 20, 2008

i am will shelxs on this

and lets just point out that it is illegal to remove the cat, so i you get bumped or worse still you bump someone else you have no insurance.that's was be a terrible loss for us no more RED B !!!! don't do it

Oldschool · Mar 20, 2008

wish mine was orange said:
i am will shelxs on this
and lets just point out that it is illegal to remove the cat, so i you get bumped or worse still you bump someone else you have no insurance.

It is NOT illegal to remove the cat. You have to comply with exhaust gas regulations, which is totally different. Also it is a phallacy that the cat has got an environmentally positiv effect.

In over a quarter of a century in the automotive field covering performance tuning, development, consulatancy for manufacturers as well as operating workshops till date nobody (universities, car manufacturers, authorities etc.) was able to provide me or any of my collegues with any test that would proove it. To the contrary all test so far provided were proving the opposite.

MattB2k · Mar 20, 2008

http://auto.howstuffworks.com/catalytic-converter.htm

dave · Mar 20, 2008

you can fit a sports cat

LittleRedB · Mar 20, 2008

wish mine was orange said:
i am will shelxs on this
and lets just point out that it is illegal to remove the cat, so i you get bumped or worse still you bump someone else you have no insurance.that's was be a terrible loss for us no more RED B !!!! don't do it

Oh, don't get me wrong, I am not planning on removing mine!!

Oldschool · Mar 20, 2008

MattB2k said:
http://auto.howstuffworks.com/catalytic-converter.htm

What is this link for?

wish mine was orange · Mar 20, 2008

Oldschool said:
It is NOT illegal to remove the cat. You have to comply with exhaust gas regulations, which is totally different. Also it is a phallacy that the cat has got an environmentally positiv effect.

how do you adjust the car then if you remove the cat and the car doesn't pass gas regulations?

dave · Mar 20, 2008

a few in the cento section have took cats off then passed mot fine

Oldschool · Mar 21, 2008

wish mine was orange said:
Oldschool said:

It is NOT illegal to remove the cat. You have to comply with exhaust gas regulations, which is totally different. Also it is a phallacy that the cat has got an environmentally positiv effect.

how do you adjust the car then if you remove the cat and the car doesn't pass gas regulations?

Click to expand...

This is where engineering comes in.

One car in the range of Fiats currently produced has got no cat. I let you find out which one it is.

MattB2k · Mar 21, 2008

Oldschool said:
What is this link for?

Sorry should have explained myself. Bit clumsy and in a rush to get to the pub last night.

I was investigating the fact that catalytic converters have no positive environmental effect.

I googled "catalytic converters do not work" and found nothing but articles about what stuff they remove from the emissions.

I am up for getting my Barchetta's catalyst removed as long as I can see evidence that it will make little difference to the emissions.

On another level if I can pass my MOT should I care? I only drive about 50-100k a month.

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