Looks promising. I'll have to contact BJ for more info. Here's the direct link to their blog:
Of note this comment, "goal was to get 3 or 4 parts done on the vehicle and that is almost complete. We have a muffler back unit featuring the Agency Power Titanium Tips. We completed the center straight pipes which delete the resonators and cats, and we are finishing up the 3 piece pulley kit. In addition, we have a carbon fiber cold air intake in the works."