- tested at the renowned V-Tech company in Kraków. On the V-Tech dynamometer, power and torque were measured before and after applying Modifikator Plus.
After the first measurement on the dynamometer, Modifikator Plus was poured in and the test was carried out. The car was then tested a second time after 1,000 km. The results showed an increase in engine power and torque, and a reduction in harmful exhaust emissions. The engine was also noticeably quieter. See: test videos and charts.

- also tested at the renowned V-Tech company in Kraków. On their dynamometer, power and torque were measured before and after applying Modifikator Plus.
After the first measurement, Modifikator Plus was poured in and the test was carried out. The car was then tested a second time after 1,000 km. The results showed an increase in engine power and torque, and a reduction in harmful exhaust emissions. Smoother engine operation was also noted. See: test videos and charts.

- tested at the renowned V-Tech company in Kraków. In this car, compression was measured before and after pouring in Modifikator Plus. The test showed increased compression in all six engine cylinders. See: test videos and charts.

Tests on the Gadżet show on TVN Turbo (2 December 2008)
The TVN Turbo crew tested their own company car — a Skoda Octavia 1.9 TDI