K&N Series Induction Kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box.

With the Focus there is no execption!

Key Features:

– Million Mile Warranty
– Improved Induction Sound
– Improved Performance
– Let your car breath!
– Simple DIY, or free fitting at our workshop

This should be one of your first mods if you aim to tune your Focus. Many additional mods (inc Remaps) will require the improved air-flow this unit has to offer.