Welcome back...and really nice car man. Love the DPE wheels.
imo, just get the SS Race exhaust like what Ating said.
It will be plenty loud & aggressive, esp since you have SS sect 1 & 2 already.
Bilstein PSS10 /// Vorshlag Camber Plates /// Turner Motorsports RSM /// Rogue Engineering Octane SSK w. ZHP gear knob /// Dice MediaBridge 1500