Most will direct u to Fl...They're the biggest selling exhaust in the Z market....a good exhaust but I decided to go with Berk as I wanted something close to stock not too flashy that sounded great. Their CBE paired with their HFC's/Resonated TP'S is Exotic and clean.
Exhaust Name: Berk Technology
Nissan 370Z/Infiniti G37 - Berk Technology
Quality: Awesome
Fitment/Looks: Stockish with bigger tips
Sound: Perfect....No Drone...No Rasp...smooth, deep and a beast after 3500RPM
Luckily for me Berk had just received their shipment of supplies and was able to ship my exhaust out the door in 2 weeks
Here's a vid of my Berk Set-up with Resonated TP's.