The COBB hard pipe charge pipe kit for 2015–2020 Subaru WRX replaces factory charge plumbing with a direct-fit hard pipe solution intended to improve airflow and boost-system reliability. It provides a durable replacement for stock charge piping and integrates cleanly into the WRX intake and intercooler plumbing without implying installation specifics beyond direct-fit intent.
Cobb 15-20 Subaru WRX Charge Pipe Kit