Remark R1‑Spec dual cat‑back exhaust for 2015–2021 Subaru WRX/STI (VA) in burnt stainless finish is a non‑resonated dual exhaust that replaces the factory rear section. The system provides direct-fit installation for the listed WRX/STI years and updates outlet aesthetics with a burnt stainless look while maintaining the exhaust routing and back‑section replacement for the specified models.

Remark 15-21 Subaru WRX/STI (VA) Cat-Back Dual Exhaust - R1-Spec Burnt Stainless (Non-Resonated)