After looking at seemingly thousands of videos for trying to determine what sound I wanted, I decided on the HKS hi power + test pipe combo. It seemed to me to be a good combination of lows and highs with some pretty substantial power gains. Overall it sounds pretty exotic. Heres some pics and vids:
Outa the box (shout out to Hojin on the used pipes):
Installed:
More recent with windows tinted:
After install startup and rev video:
Drive by video: