Compressor motorcycle?

Hello I would be interested to know whether you can legally equip a Suzuki Haysbusa with a compressor (300-400hp) in Germany if money is no object. Assuming I had enough money, would it be possible to have an emissions test and individual inspections? Theoretically it should work because you can convert old Golf 1/2/3 to…

Larger rolling circumference -> Can I pass the speedometer test?

Good morning, If I increase the rolling circumference of a car by more than 2% over the standard wheels, a speedometer measurement is supposedly required for registration. As a test, I compared my speedometer with a GPS speedometer app on my phone using my new bikes. The speedometer was very accurate, practically perfect. That's logical,…

Does this count as a parts certificate for registration?

Hello, I would like to have something registered on my vehicle. I received the following from the manufacturer. Is this valid or sufficient as a parts certificate, or what does one have to look like? Otherwise, would an individual inspection be possible, and how much does such an inspection cost? I've installed everything so that…