My Autometer wideband was a complete kit, it include the Bosch sensor. The gauge has a data logger output that you could use if you get a data logger at a later date or if getting tuned your tuner may want to use it. I believe a wideband sensor will be more accurate than sticking a probe in your rear (tail pipe that is).
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08 C6 Z51 Coupe with TVS2300, a little more than stock HP/TQ.
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