Assuming that you have already done the exhaust system to match the higher flow of the SC, I would beef up the rear and add a higher ratio LSD.So I have a 2011 3.6 running 8 psi. Any other suggestions on what to do next for some more power. Got her dynoyed @407 rwhp. Open to Any suggestions That don't involve dropping in a hemi.. pics attached
A 3.92 Getrag would make it a monster.