Help with mods

[06grandprix93]

Have a base 06 Grand Prix. I just put in a custom cold air intake with spectre filter. What should my next few mods be? 180* T-stat? HV3? TB Spacer? Also, what's the best site for GP mods? ZZP?

[Bio248]

hv3 and a downpipe.

[gtpinsc]

http://www.grandprixforums.net/f81/s...car-17482.html

[06grandprix93]

hv3 and a downpipe.

what dp option from zzp should i get?
heres the link...
https://www.zzperformance.com/grand_...=551&catid=110

[Bio248]

3" for sure. catted if you want a cat.

[blueguy]

Read.

That.

Thread.

[JoRoW99]

hv3 and a downpipe.

lol. i must be doing the right mods then.