I just got a 2001 Monte Carlo SS about a month ago, and I love it. I really want to beef it up though. I've been looking over the Internet for some performance parts (exhaust systems, headers, cams, ect) but I haven't had any luck. Any one know a good site? Thanks.

 

zzperformance.com (click the grand prix)
pfyc.com
wbodystore.com

 

read the sticky in this sub section for modding the 3800

 

also try 3800 performance

 

search tool's your friend, basically what everyone else said. check the sticky