Whats the difference

Has the car already got a cone filter as part of the standard set-up?

Usual question is aftermarket panel filter vs induction kit - first one just replaces standard filter, supposed to flow air a bit better and may give a bit more induction noise.

Induction kit will usually be cone type filter plus various pipework which replaces the standard airbox. Open filter systems give fair increase in induction noise whereas those which have the filter in an enclosed canister tend to be quieter.

Performance increases depend on the standard/design of the kit, what car it's going on and what other modifications the car has had. Just because it sounds better doesn't always mean it's any faster, and in some cases the car can run worse or need other changes to get the full benefit.

Have usually run K&N kits on most of my cars, my current kit is a one-off variation I did to their original kit taking advantage of extra know-how gained as the model had been out and about for a few years after K&N launched their original kit.
 
Has the car already got a cone filter as part of the standard set-up?

Usual question is aftermarket panel filter vs induction kit - first one just replaces standard filter, supposed to flow air a bit better and may give a bit more induction noise.

Induction kit will usually be cone type filter plus various pipework which replaces the standard airbox. Open filter systems give fair increase in induction noise whereas those which have the filter in an enclosed canister tend to be quieter.

Performance increases depend on the standard/design of the kit, what car it's going on and what other modifications the car has had. Just because it sounds better doesn't always mean it's any faster, and in some cases the car can run worse or need other changes to get the full benefit.

Have usually run K&N kits on most of my cars, my current kit is a one-off variation I did to their original kit taking advantage of extra know-how gained as the model had been out and about for a few years after K&N launched their original kit.

Cheers was thinking of just putting a cone on, its gonna be on a vauxhall astra
 
Performance increases depend on the standard/design of the kit, what car it's going on and what other modifications the car has had.



But will always be at least 10bhp on the pub dyno. On a real dyno it is usually **** all. As maccapacca points out, the intake is very seldom the limiting factor in performance. And unless the map is set to account for the new airflow, it's not going to do anything. You are correct that with other mods and map it might make a small difference.
 
Standard paper filter changed regularly. All a K&N etc. does is last a bit longer. A clean original filter flows very well.
 
One gives you minus 1 BHP and one keeps it standard.

Both sound fully sick y0.

such valuable input :p

If your looking at dumping money on a K&N panel filter you may as well keep the cash and put it towards a proper intake.

As above just changing the intake you may not really see any performance intake, however if the stock intake is restrictive then the engine may run better. Other mods and a map tho and you could see an improvement.

You'll get a bit more noise from an intake kit too.
 
So after avoiding the Cat D Astra, the Astra that needed a new manifold and daft Corsa, he's managed to pass his test at the start of the year and presumably got insured on whatever this particular Astra is. Since then we've been advising on stereo installs, window tints, how to make the exhaust louder and now induction kits.

I think it's about time we saw a few more pictures of this beast :p
 
Ao an unrestricted pod filter in cool air made 3kw more power, nice.

I like my stick air box with panel filter set up. It's well positioned for unrestricted cold ram air and sounds better than the oe paper filter.
 
No, it's because his filters are snake oil treated as this gives the maximum filtration whilst still allowing superior air flow to all other filters, whilst simultaneously lowering intake temperatures due to the unique thermodynamic properties of snake oil.
 
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