lol ZZP.
Don't listen to that crap advice.
2.5" DP needs to go, for starters (look at headers or at the minimum a 3" downpipe).
The car will be faster with the rockers, 3.6", and a PROPER tune.
Not that canned PCM junk.
Also; that car WON'T run a 3.5" without a piggy rich file and low ass timing.
Finally, toss out that TB Spacer. It's more worthless than anything else.