Ok i need some Advice. I dont have much money to help beef up my car, so i was looking on ebay i see that they have CAI for like 40 - 60 dollar range. Now i see that and then I look at what AEM prices are for there intakes and Injen and **** like that. now the ques I have is it all the same. does it matter if i get generic or brand when it comes to cold air intakes. I dont know what to do is the little horsepower that it does give the same or what. some advice would help alot thanks