Perrin Charge Pipe Black Subaru WRX 2022-2026 | PSP-ITR-201BK Forester_2019-2021 Must use with either 2008+

Must use with either 2008+ STI rotors drilled to 5x100 or DBA 4000 Series Part # 42656S-10 (x2)

the PERRIN intake sounds relatively stock

These window vents for your 1998-2002 Subaru Forester can be used in several ways

2004–2007 Subaru STI

Perrin Charge Pipe Black Subaru WRX 2022-2026 | PSP-ITR-201BK Forester_2019-2021 Must use with either 2008+Fitment Information: 2022 2026 Subaru WRX Features: Replace the restrictive OEM plastic charge pipe to increase horsepower and boost response with the PERRIN Charge Pipe for 2022 2026 WRX! The OEM charge pipe on the WRX engine is restrictive, narrows down in certain points, and has pleats that make for uneven airflow. The PERRIN Charge Pipe has a perfectly smooth interior, constant radii, and gradual bends, making for much more efficient air delivery.