Originally Posted by Memphis370Z

I have neither of these CBEs, but take note that the Agency Power is a true dual exhaust, with no crossover (x-pipe or h-pipe) prior to the mid-pipes. I'm not sure that it's ever been empirically proven that it matters on a naturally aspirated VQ37, but throwing it out there for your consideration. Also, true duals definitely have a different sound compared to those systems with an x-pipe or h-pipe.

Good luck with whichever you choose!