With so many different kits on the market, it's not easy to say which one is the best. These are the most commonly purchased models.
Prices from under £100
K and N - Washable cotton filter. (UK)
Pipercross - Washable foam filter. (UK)
Green - Washable cotton filter. (UK)
Ramair - Washable foam filter (UK)
Over £100
HKS - Replaceable foam filter (JAPAN)
Apex-I - Replaceable oil free cotton filter (JAPAN)
Part No. 507-T008 (3S-GTE)
Blitz - Stainless mesh filter (JAPAN)
Prices Over £200
Blitz sonic - heat shielded design (JAPAN)
Pipercross Viper - Carbon fibre heat shielded (UK)
It is wise to also decide how you will supply the filter with a cool supply of air. This can be cheaply and easily done by purchasing some aluminium ducting from your local car accessory store.
The filter with the best reputation tends to be the Apex-i, although this opinion seems to be based on the findings of an article on Toyota Supra MK4 induction kits.
Read the whole filter test article here
For instructions on fitting an induction kit follow this link
Peter Jones.
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