AWE Tuning Track-to-Touring Conversion Kit for 10th Gen Civic Si (3815-11048)Swap out your existing Track Edition rear section for AWE's patented drone canceling solution, 180 Technology. completely straight through with maximum performance minus the drone at highway speeds. AWE's patented 180 Technology works a little something like this: As exhaust gases exit the engine and flow into an AWE 180 Technology equipped resonator, they pass through strategically located ports, and into reflection chambers. Sound waves, carried by