If torches are used when working on the exhaust system, do not allow the flame near the fuel lines.Raise and support the vehicle.Saturate the bolts and nuts with heat valve lubricant. Allow 5 minutes for penetration.Remove diesel particulate filter (DPF), if equipped (Refer to 11 - EXHAUST SYSTEM/PARTICULATE FILTER - REMOVAL).Remove two bracket bolts (2).Remove the nuts (1) from the front catalytic converter to turbocharger flange.Lower the catalyst assembly (2) and slide out of the mount at the transmission (if equipped).Remove the front exhaust pipe/catalytic converter assembly from the vehicle.