Flowmaster's new Force II systems for modern RAM diesel trucks bolt-on directly behind the DPF for 50-state emissions legality and feature all mandrel-bent 4.00 in. 409 stainless steel tubing flowing into one of our race-proven Outlaw Series mufflers, uses the factory hanger locations for a quick and easy installation and is finished off with a large 5.00 in. polished 304 stainless steel vented tip. Like all our systems, this one is carefully engineered on the vehicles for precise fitment, performance and a deep mellow tone. The systems is covered by out Lifetime Limited Warranty and includes all necessary hardware and easy to follow instructions. Note: 2007 RAM models with DPF system only.