Cars (think FIAT, Alfa Romeo, Lancia, Maserati and Lamborghini. Bugatti and Pagani)
Motorbikes (e.g. Ducati and Piaggio)
Clothing (e.g. Armani, Versace, Valentino, Ellesse, Docle & Gabbana, Tod's, Roberto Cavalli, Benetton, Prada and Luxottica)
Olives and olive oil
Sunflowers and sunflower oil
Leather goods, particularly shoes and handbags
Marble
Wines (Italy now produces and exports more wine than France)
Jewellery (see http://www.explore-italian-culture.com/ancient-roman-jewelry.html )
and other less obvious goods such as
Medicines
Industrial machinery
Petrol products.
Italy exports all over the world but its main trading partners are :
All European Union countries - Germany is its number 1 export partner - 13% of all exports go here,
USA and Canada (approx 7% of goods exported)
Increasingly, some of the Asian countries.
I am not positive about when they would eat spaghetti casserole but it would probably be a part of their dinner