This Shirt Adds +10hp T-shirt

See this shirt? It’s the quickest, most affordable way to add horsepower to your car. It adds a quick +10hp you can really feel.

Best of all, you don’t have to get your hands dirty to get it (unless you want to, of course).

• 100% super soft cotton (it will be your favorite shirt)
• Unisex fit
• Ships from our warehouse in 3-5 days