However, i think it helps a lot to increase the power output of this car. (topspeed.com)
Before winter, I had installed an aftermarket air intake, which claims to increase the power output by about 4 or 5 horsepower. (mechanics.stackexchange.com)
I recommend taking this 30 - 60 minutes before your workout, as caffeine can also increase power output and endurance. (completehumanperformance.com)