performance info

Hi, Im not usualy from this are of the forums but I have a friend who wants me to do some performance work on his 04 grand am GT. I was wondering If anyone could suggest any superchargers, turbos, exaust fuel parts,exe, or maybe a site recomended. Thanks for the trouble.

bodykits and exterior:
www.aedcentral.com
www.andysautosport.com
www.fxdesigns.com
www.jspamerica.com
www.hot-bodiez.com
www.customcargrills.com
www.rksport.com
www.grafxwerks.com
www.wheelmax.com

Inside the car:
www.alloverlays.com

2.3L quad 4, 2.4L Twin Cam, and 2.2L ecotec sites:
www.carcustoms.net
www.the-race-shop.com
www.jbodyperformance.com
www.rsmracing.com
www.rksport.com
www.mantapart.com
www.k3-motorsports.com

3100/3400 engine sites:
www.rsmracing.com
www.milzymotorsports.com
www.tranzgenic.com
www.pfyc.com
www.doctorspeed.com
www.theotherguysproducts.com
www.digitalhorsepowerinc.com