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ctrlc-root | 2 years ago

Having gone down the rabbit hole of researching aftermarket ECUs for my cars I've discovered that in the US it's basically illegal to make changes to any part of a street legal car's emission control system which of course includes the ECU. It seems that it has been for several years but the EPA did not enforce the regulation consistently.

* https://www.saveourracecars.com/about.html

* https://www.aemelectronics.com/product-legal-restrictions

* https://tiremeetsroad.com/2021/07/13/how-californias-bar-app...

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