kohana/core — comment on commit 3f0efc433b6091809d54d724be5f9b08b0e8758f
File: classes/kohana/request.php line 959
By acoulton:

Not exiting would be great! Shouldn't this method move to response now though, conceptually?

So in controller you'd do :

~~~
$this->response->redirect('/foo');
return;
~~~

That would also allow you to add custom response headers/body before quitting if required.