Saul Goodman
It's all good, man
Plausible deniability. I'm not a systems analyst. How would I be expected to know if somebody had tampered with the car before I bought it?Car Modifications and Insurance: What You Need to Know
AXA’s guide to how car modifications can affect your premium.www.axa.co.uk
Do I have to declare modifications to my insurer?
In a word: yes. If you don’t tell us about any modifications, your policy will be declared void and any claims that you may have made will not be paid out.
They'd have to prove you were aware of the modifications. 99.99999% of people would have no idea what an ECU looked like, far less how to flash one.