ETS '22+ Subaru WRX Catback Exhaust System

This 3-inch stainless catback replaces the exhaust behind the downpipe and finishes in quad 3½-inch tips. I'd choose it for a stronger exhaust note and a less restrictive system as the VB WRX's power increases.

Extreme has no rear mufflers and is the louder choice; Muffled is easier to live with on a street car. The optional resonator smooths rasp rather than acting as a substitute for mufflers. Tip finish is a visual choice, and the blue finish can fade with use. Includes an adapter for the stock downpipe.