A follow-up to the problems with the crashed Ariel Atom -
He also mentions the Slingshot when talkign about the motor.
Here, he's added a Boost gauge -
How much HP is his Ariel Atom making -
During one of these videos, he mentions Edge Insight gauges. They appear to be a less expensive version of the AEM kit rabtech bought. They still use the vehicle's ECU for data, so OBDII compatibility would be needed. Sold by lots of retailers, inclusing Summit Racing. See - https://edgeproducts.com/insight/. Sure would be nice if we had a small black box that converted our ECU output into OBDII-compliant data!