Chip tuning: +30% power or placebo effect?

[LolaLo]

From the point of view of the traffic police and technical inspection, interference in the programming code of the factory engine control unit or installation of an additional unit that connects to the gaps in the standard cables is a conversion of the car, which requires mandatory approval from the traffic police. Technically, the cars with chip tuning can not pass tech inspection and registration actions. But in fact, nobody has problems. The inspector or an employee of the checkup point is not able to find out if the standard chip was re-flashed. What do you think about chip tuning?

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