Kartboy Subaru Knuckleball Shift Knob - 6-Speed - Clear - 2004–2021 Subaru STI / 2015–2026 Subaru WRX / 2013–2026 Subaru BRZ / 2013–2016 Scion FR-S / 2017–2020 Toyota 86 / 2022–2026 Toyota GR86 PDM_intercooler-installation-kits Denso Small-Bore (1") Mass Air

Denso Small-Bore (1") Mass Air Flow Sensor Flange

The 2007 STI benefits from increased stiffness at both ends -- the 24mm matched kit stiffens both axles proportionally

The Whiteline 22

Wideband oxygen O² sensor

This allows your car to be set up for corner weighting to help achieve perfect balance and to make sure that maximum tire contact is achieved

Kartboy Subaru Knuckleball Shift Knob - 6-Speed - Clear - 2004–2021 Subaru STI / 2015–2026 Subaru WRX / 2013–2026 Subaru BRZ / 2013–2016 Scion FR-S / 2017–2020 Toyota 86 / 2022–2026 Toyota GR86 PDM_intercooler-installation-kits Denso Small-Bore (1") Mass AirKartboy Subaru Knuckleball Shift Knob 6 Speed Clear