I had a few minor problems with mine.
First off, the clamp that was supposed to fit around the adapter and filter, didnt fit. It was too small so we had to use a bigger one we already had.
Problem 2: The nipple valves on the intake pipe were too small for the hoses they gave me. They just fell right off...so we had to use our own hoses and one we even had to clamp down.
Problem 3: The hood smacked the filter when we closed it, so you have to kind of angle it down when you clamp it on tight.
Final Problem: The valve cover that connects from the throttle body to the intake pipe was too big. It fell right off and the clamp just bent it all up, so we had to use a rubber gasket under it just so it would fit.
I dont know if I was just unlucky with the parts they sent me (The first package I got had the wrong MAS adapter on it, it had no nipple valve for the temperature sensor, so that shows you my luck...) but its some thing you might want to take into consideration before you take your car apart. Have some extra hoses/clamps/gaskets lying around.