tailpipe tip. Tip options: 2005-2006 model years come with a round polished-stainless, 5 inch tip with rolled edge. 2008-2011 systems come with an ob-round 5 x 6 inch angle-cut tip in your choice of polished chrome-over stainless or high-temp black. Monster Exhaust System, Single Exit, Chrome Tip for use with 2005-2006 Ford 5.4/6.8L S/D Super Duty Truck Key Features: Mandrel bent Stainless Steel construction Virtually eliminates backpressure Lowers exhaust gas temps Dramatically improves flow Maximum Airflow Heavy-duty stainless 3.5 inch free-flowing mandrel-bent pipe Straight-thru muffler Awesome 5 inch CHROME tip CARB E.O. Not Required