The Remark R1-Spec single-exit cat-back exhaust is a direct-fit system for 2015+ Subaru WRX and STI (VA). It pairs a stainless steel muffler with a tuned single-exit layout to replace the factory exhaust without major modification, aiming to refine flow and tone while preserving bolt-on fitment. The system is presented as a vehicle-specific upgrade for owners seeking a tailored exhaust replacement.
Remark 2015+ Subaru WRX/STI (VA) R1-Spec Single-Exit Cat-Back Exhaust w/ Stainless Steel Muffler