Most "handheld tuners" can adjust the speed limiter without issue. Newer Dodge products need a PCM reflash in order to use the handheld tuner. Some tuning sho

Most "handheld tuners" can adjust the speed limiter without issue. Newer Dodge products need a PCM reflash in order to use the handheld tuner. Some tuning shops can do this on site, but I think a Finnish person would need to ship their PCM to the USA for a reflash, or buy a second flashed unit. Being a Hennessey product, this probably comes with a flashed PCM and the handheld tuner for it. I wouldn't be surprised if the manual came with a section stating something like, "this setting right here will adjust the speed limiter on your vehicle. It would be VERY ILLEGAL to use this feature to CHANGE THE TOP SPEED LIMITER to beyond 55MPH. Please don't use this feature if you're in the EU."