Borla. I love mine, the deep tone just can't be beat. I have the true Borla version (not Trubenz) that has the resonator and muffler. My only complaint is that I'd like it to be just a bit louder, so I might go HFC or ORP eventually.
Mine: 2008 Saab 9-3 Aero SportCombi XWD: 82k, Black, MANUAL
Gone: 2002 SVT, #1654
Hers: 2010 Focus SES: 70k, Ebony, Auto, Moon and Tune