1998-2003 Ford F-150 truck with 4.6L or 5.4L engine. - Mild soundFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. The Force II system is constructed from mandrel bent 2. 50 inch aluminized steel flowing into a Super 50 Series muffler for a moderate exterior tone and mild to moderate interior tone. The system finishes with dual 2. 50 inch tailpipes and polished 3. 00 inch stainless steel tips, and your choice of tailpipe