2011-2019 6.7 PowerStroke Whistler VGT Turbo in its element. Available in multiple sizes and comes with the option for non-whistle. Click the link in bio to get yourself one. #nolimitfabrication #nolimitdiesel #powerstroke #powerstrokediesel #67powerstroke #6point7powerstroke #powerstrokearmy #powerstrokenation #superduty #fordsuperduty #whistler #nolimitwhistler #nlfwhistler #duramax #cummins