I bought my 2001 Camaro SS in july of 2003. It was love at first site. That same year I upgraded the filter and was searching for the right set of rims. In 2005 I found them. That same year I started to upgrade the engine suspension trany and exhaust. Its 2010 still upgrading and not stoping.
here is the list of Mods:

enjoy
SLP Dual-Dual Performance Exhaust system
4" Corsa Dual Exhaust Tips
Kooks 3" Y Pipe with high flow Cats
Kooks Fbody stainless steel 1 3/4" long tube headers
Bilstein Ultra Performance Suspension System - Shocks
Eibach Springs, Lowered 1.25" Front and Rear
Cartek custom cam package custom cam, springs, retainers, gaskets
Rollmaster dual roller timing chain
Coomp cams hardend push rods
Vigilante torque converter 3200 stall
High flow 160 degree thermostat
High flow Lid and K&N filter
Replaced the Gear to a 3.73 ring, pinion
BBK Pulleys
BMR Strut Bar
Baer Decela Brake Disks
Hawk Ceramic brake pads
Goodridge Stainless Steel Brake Lines
Back seats stripped as well as trunk for weight reduction
18x9.5 A.Z.A Rims with Pirelli P Zero Nero 275/35/18
Camaro Fuel Rail Covers
Eagle Eye's CCFL Halo Projector Headlights