More than 90,000 car enthusiasts from all over the country are expected this Saturday and Sunday at Atlanta Motor Speedway for the 18th annual NOPI Nationals Motorsports Supershow, the largest in the world. This year¿s NOPI Nationals will feature more than 7,000 show cars and trucks competing for over $100,000, and a smorgasbord of other activities, including hydraulic jump-offs, burnout contests, drifting competitions, dyno contests and live music. Planet NOPI, the largest mobile performance showroom, will be assembled to display the latest and coolest performance and dress-up items for cars and trucks. All the manufacturers from around the world will be on hand to introduce their latest products. Everything from wheels and tires to turbos and car audio equipment will be available at NOPI. Gates open each day at 10 a.m. for the biggest weekend of the year for car fanatics. Tickets may be purchased at the gate and are $40 for a two-day pass and $25 for a one-day pass. Children 6-12 are $5 per day (5 and under are free).