On the CAI make sure it is a real cold air intake and not a warm air. Best one for the Alero 3400 is like the one below. This is a true FWI - fender well intake. The filter cone is located under the driver's side fender which takes advantage of the high pressure area behind the driver's side headlight.
Going in next month as soon as my son comes home for summer break from college.
Here is a shot of one of the the exhaust tips (two) from the Pacesetter Monza CATBack exhaust.