Don't know how much the tune costs. I'm sure it's not cheap, and like the owner says you don't get the bigger brakes. Probably worth the extra $10K or whatever to get the performance version from the factory. I'd still wait for better batteries.
Tesla Model 3 Tuned! Boosting The Power With Ingenext. - YouTube
Tesla Model 3 Tuned! Boosting The Power With Ingenext. - YouTube