Slap a dry flow cone filter on the end of your maf.
You could run a 180* tstat I live in IA and run one.
Get SSAC headers.
You do not need to port anything above the LIM on the 04+
You need a tune. Go with DHP from 3800performance.com
Leave the cat back stock
Get something to scan with. IE aeroforce.
If you have no knock at that point drop to a 3.6
Rockers are not hard at all to do for later.