CB Engineering Race DPF Delete Pipe for the 2007-2008 Jeep Grand Cherokee CRD. Made from 3" 304 mandrel bent stainless steel tubing with stainless steel flanges and hardware, fully tig welded. Easily bolts in to replace the factory pipe with basic hand tools. Must be run with proper ECM tuning. Allows use of wider range of engine oils. For off road use only, not available for street driven vehicles.