i have a 05 focus zx4 ses and am new to the fforum and have a question concerning cold air intake systems this is the first mod i will be doin to this car and have been researchin the steeda billet aluminum cai and want to know what everyone thinks about this one vs the aem system i know it looks hot but performance ways i also wanted to know if this would produce the same noise as the others when at wot i had an aem on my old zx3 and loved that sound also includin link for the steeda intake