Take your choice. If you plan to road race the car-you may want to check the rule books. I run Improved Touring and am allowed a short ram-so that is what I have. We have no idea what improvement in power there is with either the short or CAI from AEM. The big disadvantage of a CAI is that you must keep it out of puddles-even with the valve you need to be careful.
So take your choice whether it is a daily driver or race car. Spend your money wisely and enjoy.