Torque Solution Billet Rear Subframe InsertsTorque Solution Billet Rear Subframe Inserts Applications: Volkswagen Golf GTI MK7 Audi A3 S3 TT TTS Torque Solution Billet Rear Subframe Inserts are made from CNC'd T6 6061 Billet Aluminum. Our insert is designed to work by filling the voids in your OEM rubber subframe mounts. The inserts will reduce subframe movement which will improve response and grip when cornering. **Fits all VW Audi vehicles with MQB platform. T6 6061 Billet Aluminum Black