Universal Air Suspension Proudly offers its Weld-in Bag & Bracket Kit for the 2007 - 2015 Cadillac Escalade. Kit requires removal of factory lower spring perch, and welding in the lower bag brackets. Do not use impact on OEM strut nuts, they are known to remove the shaft from the shock body. Requires 200 PSI Tank Pressure, Minimum 5 gallons of air, Recommended 10. Suggested to add check valves between your tank and valves. If equipped with OEM height sensors at all 4 corners, they can be tapped into for the E-Level system. If Factory Air Suspension, Will have warning on Dash. DJM RK2007 recommended.