007 Cadillac Escalade EXT/ESV & GMC Yukon Denali XL 6.2L Removal of stock system: 1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators. 2. Remove the hangers from the rubber insulators and remove the exhaust from the vehicle. The tail pipe will need to be cut to clear the rear axle. Refer to Figures 1&2 Figure 1 3. Remove the hardware holding the front flange together and disconnect exhaust system. Refer to Figure 3 4.