Billetworkz Window Vents No Mesh Subaru WRX 2015-2021 / STI 2015-2021 | BW-WV-SUB-VA-BK-NM Wheel Offset_35mm Accurate air/fuel ratio monitoring is

Accurate air/fuel ratio monitoring is essential for performance tuning and engine reliability

Diameter: 14 mm

Tubing and turbo outlet adapter constructed of US-sourced lightweight and strong 6061 aluminum

FIN PITCH 15 Fins/Inch

they will not fit stock suspension

Billetworkz Window Vents No Mesh Subaru WRX 2015-2021 / STI 2015-2021 | BW-WV-SUB-VA-BK-NM Wheel Offset_35mm Accurate air/fuel ratio monitoring isFitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI Features: The Billetworkz Window Vents feature a 3 layer construction to allow the window to fit between the inside and outside layer, while the middle layer inserts into the door frame. To install, simply lower the window, set into place, and raise back up. Once installed, the window vents are secured into place. Lower the window to remove. Use them at the track, driving around town, or