MBRP's XP Series Exhaust Systems are the performance exhaust of choice for enthusiasts who need a system that can handle whatever the road throws at it. XP's heavy-duty 16-gauge T409 stainless steel construction withstands everything from salt to rocks to tar. These bolt-on systems have a spiral louvered high-flow muffler and mandrel-bent tubing to minimize backpressure and let your diesel breathe. Produces a rich, mellow exhaust tone that also improves fuel economy. Giving your truck the added performance, fuel efficiency and rugged toughness of an MBRP XP Series exhaust system is sure to turn heads no matter if on or off-road.