Your products can not have some custom theme designed for them your using your forums vb4 style.
You can not see that there is an issue with how your site displays? I can not say why you would want it to look like that.
cvx - Welcome to the Camarosource.ca Camaro / Product Reviews
It is only your showproduct page everything else views fine.
For support purposes you need to be using unaltered code.