: Claims to boost engine horsepower by up to 40% by increasing oxygen content and reducing carbon deposits .
: Minimizing parasitic loss (power lost to friction or cooling systems) ensures more "xxl" power reaches the wheels. Myth vs. Reality horse power xxxlformula
While specific proprietary blends can vary, supplements under the "Horse Power" or "XXXL" branding often include a mix of herbal extracts known as vasodilators or energy boosters: : Claims to boost engine horsepower by up