I have on brand new Vibrant Ultra Quiet resonator and custom madeAllens SS drone killer resonator. The ultra quiet everyone know, but the custom made one has baffles facing the engine in a circular pattern that disrupt drone. SS custom made in USA. I will do $150 for all.
$90 for the Vibrant and $60 for Drone Killer
(i have the drone killer on my 11 wrx with the maganaflow and DP and night and day crusing difference.)