cakephp simple 404 redirect

Simple cakePHP 404 redirect with correct header

public function view($id=null,$slug=null) {
if(!$this->Model->exists($id){
    header('HTTP/1.0 404 Not Found'); //only PHP, no Cake $this->response->header(HTTP/1.0 404 Not Found');
    $this->render('/Model/notfound');
    $this->response->send();
}
$options = array('conditions' => array('Model.' . $this->Model->primaryKey => $id));
$this->set('job', $this->Model->find('first', $options));
}

set Correct 404 Status