How much horsepower do car stickers add? Let's finally put an end to the myths. While it has been hypothesized for years, no one really knew the true power of car stickers until today. Better yet, we find out the groundbreaking news that magnets can have the same effect on electric cars. Stickers will be applied to a 2016 Subaru Crosstrek, and magnets will be applied to a 2018 Tesla Model 3 Performance. You won't believe the results, because why would you? This video is ahead of its time.