it depends on the year.

this is the series 1 motor supercharger.
http://cgi.ebay.com/ebaymotors/1995-...ts_Accessories

this is the supercharger the came out in 95 and went on till 03.
http://www.rebuiltsuperchargers.com/100_0011.jpg

and this is the GEN V supercharger off the 04+ GTP's. If you look closely you can see that the this one is alot bigger than the one befor.
http://carphotos.cardomain.com/ride_...0006_large.jpg