This sticker will add 5 horsepower to your car or motorcycle. Sorry, we can't tell you how it works. It's a trade secret. Measurements are approximately 4 1/4 by 2 1/4 inches tall. Also see photos for sizing. Made in USA. Ships from Florida, USA via USPS first class without tracking. Orders over $9.99 ship for free. Orders over $14.99 ship free with upgraded tracking.