parts for my car

well i have a 98 cavalier sedan and i want to hook it up with some parts. now i wanna put an intake new racing exchust and exchust head plus a superchargter from ebay (see below)... now my question would all that stuff add to my speed ???


http://cgi.ebay.com/ebaymotors/Chevy-Chevrolet-Supercharger-Turbo-Cobalt-Cavalier_W0QQitemZ230194073380QQihZ013QQcategoryZ33741QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

or this one ?

http://cgi.ebay.com/ebaymotors/Chevy-Supercharger-Turbo-Camaro-Cobalt-Cavalier-Impala_W0QQitemZ250190749244QQihZ015QQcategoryZ33741QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

i wouldnt buy a turboo or supercharger from ebay. but get them from a reliable source like greddy or hks like companies that are trust worth and actually build turbos and such