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applying heat as you go
Do I need to drain oil before connecting the gauge
ensuring durability and performance
lighter than OEM Sound Level Sound Level (with part # 164-KT07): 90
Tomei Boss And Plug Mid Pipes applying heat as you goRequired For Installing an A F Gauges The use of an A F sensor and gauge is an indispensable tool for engine tuning. To acquire the A F reading, an O2 sensor needs to be installed on the exhaust manifold or the front pipe, along with installation of A F gauge. This O2 sensor bung is then required in order to installing an O2 sensor on your car. A bung plug bolt is also included for when the O2 sensor is removed. BOSS AND PLUG (Previous Part Number
