K&N's 57S Performance Airbox Lid & Performance filter upgrade - 57S-4000 SiCo Developments Awesome exhaust note

Awesome exhaust note

The New ford Fiesta EcoBoost 1

It lasts longer

but also require an official road approval to use their car every day

K&N's 57S Performance Airbox Lid & Performance filter upgrade - 57S-4000 SiCo Developments Awesome exhaust noteK&N filters have just launched their Gen1 Air box lid modification complete with K&N filter element, bolt on power in a matter of minutes. TUV approved for Europe, fits lots of applications Focus Mk2 RS Focus Mk3 ST250, Zetec S 1. 6 & 1. 6 Eco Boost, 1. 1 Eco Boost K&N's 57S Performance Airboxes increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. They come with K&N's Million Mile