Can't comment on certifications but aftermarket performance upgrades that are not from Tesla already exist through hardware modification with some attempt at t

Can't comment on certifications but aftermarket performance upgrades that are not from Tesla already exist through hardware modification with some attempt at the "cat and mouse" game of detection and evasion one might expect from such activities. Haven't hard of any lawyers getting involved though. I would assume if you do something dumb with the electronics or software you wold probably be found liable in terms of insurance.