MXP Burned Titanium Round Shift Knob w/Insert Subaru-STI-2017 and your spark plugs look

and your spark plugs look good then your O2 sensor can be going out as well

This unit had been developed in-house alongside CSF Radiators to provide your new BRZ or GR86 with a powerful cooling solution during high-performance driving conditions

Polyurethane compounds selected per mount position

OBD-II port for vehicle communication Fault codes Read and clear OBD-II diagnostic trouble codes Updates Free firmware and OTS map updates for the life of the device EA888 Calibration: MT and DSG Map Development

Clutch disc: 6-Pad Spring-Centered Ceramic Race

MXP Burned Titanium Round Shift Knob w/Insert Subaru-STI-2017 and your spark plugs lookMXP Burned Titanium Round Shift Knob w Insert