Вариант поиска по бренду

gistfile1.txt

<select onchange="window.location.href=this.options[this.selectedIndex].value" class="input-search form-control top15">
    <option>Поиск по бренду</option>
    [[!pdoResources?
        &parents=`11`
        &resources=`12,13,14,3467,4051,4107,1345,4108,5613,5614,6122,6231`
        &depth=`0`
        &tpl=`BrandsRowTpl`
        &limit=`100`
    ]]
</select>

BrandsRowTpl
<option value="[[~[[+id]]]]">[[+pagetitle]]</option>