Strap yourself in and shift into 5th - because sex on wheels has never been like this. Club Jenna puts a new spin on the hottest racing trends in America and the women who thrive on force and friction. Take an inside look at illegal street races, custom car shows, and curve-hugging calendar shoots. If you've ever wanted to know what drives the hottest machines and the hottest girls on the planet, then brace yourself for a daring ride that defies gravity and corners like it's on rails. RPM Xxxtreme - This ain't your usual drag.