CUSTUNING - Model 3/Y - Rear Trailing Arms

Custuning rear trailing arm is made by 6061 T6 aluminum alloy and S45C carbon steel. It tightens up the rear chassis structure and upgrades the rear multi-link of your Model 3 and Model Y. By installing Custuning's rear trailing arm, you're able to maximize the lowering on your Tesla Model 3 and Model Y.