I mounted the rear height sensors on the gussets in the C-notch framework. Originally, I planned to have the arm facing out toward the chassis 'rails, but with space extremely tight under the rear this proved to be the only route for the exhaust to take, so I switched the arms around, allowing clearance. Make sure to route the exhaust with the suspension in the "full drop" mode, to ensure adequate clearance. I'll wrap the exhausts here as they run close to the sensor and the airline. Note this is just a U-bend to simulate the exhaust.