Velgen Forged SL-10 Meets Trackhawk. This 707hp Trackhawk is stock height and equipped with Velgen Forged SL-10. 22×11 all around and wrapped up with Michelin 305-35-22. The customer requested a simple and clean look, and we decided to go with the Brushed Center | High Polish Lips and Stainless Steel Hardware. For more information on our SL Series, please feel to contact us anytime.