Maddmax Design 1973 1974 Plymouth Roadrunner Classic Outline Design Tshirt Shirt and design are EXCLUSIVE property of MADDMAX DESIGN. Our shirt prices start at $20.00. If you see a lower price and do not see sold and shipped from Maddmax Illustration and Design above, it is a counterfeit and cheap overseas imitation. Unisex Sizing Machine Washable Proudly Made in the USA.