Picking the right Mazdaspeed 3 CAI for your build
Installing a Mazdaspeed 3 CAI is usually the very first thing most owners do when they want to hear that turbo actually breathing and get a little more pep out of the DISI 2.3L engine. It's a classic mod for a reason. The stock airbox is designed by engineers who were mostly worried about keeping the car quiet and making sure it could survive a 100,000-mile warranty without anyone ever looking at it. But if you're driving a Speed3, "quiet" probably wasn't at the top of your priority list. ...