Its known as the worst offroad x pipe on the market... Search it, to each their own, if you like cruising with the worst sounding x pipe on the market. Some people like the "popcorn" sound of the bbk x pipe. I personally dont. This is my third GT in the last 6 years, just a list of the exhuast I have used...
SVO headers
JBA headers
Kooks Headers
BBK Headers
BBK offroad H
BBK offroad X
Mac Catted H
Dr. Gas X pipe
Flowmaster 2 chamber
Flowmaster 3 chamber
Mac Catback
Bassani Catback
I have tried more combinations than most people, and yes.... The BBK offroad X pipe sounds like ASS