Gauges...Check this out

[06YarisRS]

Originally Posted by mannycheckers

They are ludicrously priced $399 USD.

https://www.bankspower.com/i-2760-ba...7Cyear%3D2009v

I ended up getting a cheap Chinese OBD2 gauge from amazon. I have it set up to display speed, RPM, water temperature, and battery voltage.

https://www.amazon.com/VJOYCAR-Speed...8445643&sr=8-1

I don't see a relevant comparison here. Your basic OBD2 will only provide you with limited info; whatever the ECU will give up. In applications such as forced induction, you need info that the OBD2 cannot provide, and you need it more accurately and faster. That is the advantage of being able to add additional sensors. I am familiar with the Chinese stuff and it is not particularly accurate, nor does it last very long. The quality of the electronics in the Banks unit would be vastly superior. If you just want to get a general sense of certain variables, and you are prepared to replace sensors regularly, then the inexpensive Chinese products will do that for you. Don't get me wrong, they have their place and I have used them a lot and got enjoyment out of them. But, depending on what types of data and what level of accuracy you need, they may or may not be appropriate for your given application. Given what you get with the Banks kit, I think it's actually reasonably priced.