ETS Catback Midpipe (22+ WRX)
This part allows you to swap from a Non-Resonated midpipe to a Resonated or vice versa. The resonator will dictate the tone of the exhaust, but has very little/no impact on overall volume.
Resonated - Smoother, more refined exhaust note
Non-Resonated - Throaty, raspy, more aggressive exhaust note
