Alloy Cold Air Funnel£11.00  -  £18.99

Breather Filter£10.35  -  £10.79

Cold Air Feed Kit£20.60  -  £22.25

K&N 57i Induction Kits£96.93

K&N Filter Recharge Kit£9.99

K&N Replacement Panel Filter ST170£33.42

Pipercross kit for Ford Focus ST170 (2002-04)£101.50

Powertec SL1 kit for Ford Focus ST170 (2002-04)£123.02

Viper Kit for Ford Focus ST170£273.72