I've had the Mazdaspeed CAI on my car for 31K miles and no problems, love it. Added the AEM air straightener two months ago. I got the Cobb turbo inlet this week, now I just need to install it. It should make the Mazdaspeed CAI even better.
07 Silver MS3, Mazdaspeed CAI, AEM air straightener, Mazdaspeed CBE, TWM short shifter and bushings, SU Billet Aluminum Rear Engine Mount, Hotchkins RS, Cobb shifter weight, fuel-filler door, Goodridge stainless steel brake lines, Motul RBF600 brake fluid, Hawk pads.