Hey, I just joined sight after detail searching the net with no luck for "info"

I have a 2006 Grand Prix GT2 3.8 series iii, Supercharged.


First, how do I find performance parts ect...? they all seem to be for
"pre 2000" GP's.

Second, I want to make mods, but am unsure of what... and what first.

Any help is good help.

Thanks.