AEM Induction AEM Cold Air Intake System C.A.S. FORD FOCUS 00-03 2.0 ZETEC 21-450C Apoc Industries when the vehicle is driven

when the vehicle is driven lightly

Bed (also Isuzu Hombre 96-03) Access« Tonneau Cover

Trussed front and Rear Axles

Hotter air also increases the chances of the engine pre-igniting or "detonating" as it is closer to flash-point

AEM Induction AEM Cold Air Intake System C.A.S. FORD FOCUS 00-03 2.0 ZETEC 21-450C Apoc Industries when the vehicle is drivenAEM IND Cold Air Intakes Engine Cold Air Intake Performance Kit The AEM 21 450C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Ford Focus models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and