I had great success with the E level system for the past few years so highly suggest this if your looking to upgrade your current set up or go new. This was only plugged in 1x to ensure full functionality and testing for sale to the next owner. If you have any questions feel free to reach out!This item is in the category "eBay Motors\Parts & Accessories\Performance & Racing Parts\Auto Performance Parts\Chassis, Suspension & Brakes\Lower Kits & Parts". The seller is "geofmoor5" and is located in this country: US. This item can be shipped to United States.