Well the first cat back I had on my car was flowmaster with the super 40 mufflers with an off road x, then the slp 1 cat back, then the slp 1's were just too raspy and sounded like a truck to me so I purchased the slp 2's which made it sound better but not quite the throaty LOUDer sound I was looking for. So lately I've been hearing a few exhaust clips of bassani cat backs and I just love the sweet throaty sound at WOT that almost sounds like a nascar. So my question is that the bx 4x8x16 are the same mufflers used in the bassani cat back correct (not the quiet thunder). This clip is what really made me lean towards the bassani mufflers...
http://www.youtube.com/watch?v=EGgYBlHM7v4
http://www.youtube.com/watch?v=EGgYBlHM7v4
Up until that I thought they sounded sick