3" Cat & DPF Race Pipes (2014-2018 Ram 1500 3.0L EcoDiesel)Direct oem fitment, no cutting or bending needed. If your vehicle is equipped with a factory resonator located right underneath the bed on passenger side this will bolt right in place. You can option the resonator delete pipe to enhance the noise from our exhaust kit. Constructed from heavy duty 16 gauge T409 stainless steel for maximum durability. Mandrel bent for a perfect fit and improved airflow. Improved flanges ensure a leak free connection.