Removal of Stock System: 1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators. Figure 1 2. Remove the factory cross-member using a 15mm socket. Retain the fasteners for the installation. The cross-member can be retained. Refer to Figure 1. 3. Loosen the sleeve clamps on the factory exhaust located behind the catalytic converters using a 15mm socket. Using a screwdriver, pry back the tabs on the clamps. Refer to Figure 1. Figure 2 4.