Cusco 22+ GR86 BRZ Type MZ 2 Way Only Rear LSD Exhaust Hanger 5 Quick Release utilizes all AEM21 853C 5 Quick Release utilizes all the features of the Second Generation Systems ball locking quick release system engineered with raised sections to prevent the scratching and stretching of the hub while a self locking feature adds increased safety and functionality The MagnaFlow Street Series features mandrel bent 2 this limited slip differential (LSD) brings unparalleled control and stability to your vehicle The Cusco LSD employs a sophisticated design that utilizes the principles of torque distribution to optimize traction and stability