Trailing Arm Bushing Set; Black; Rear; Must Reuse All Metal Hardware; 2022 chevrolet silverado 1500 lt trail boss esi5386297 6mm GRY MAT Type:WRX STI 2016 2021 6mm GRY MAT RELIABILITY BACKED FOR A LIFETIME ARMOR PLUS Series exhaust systems are crafted from corrosion resistant T409 Stainless Steel a value oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it Important when using larger than stock tires and wheels Re engineered Rear Trailing Arm Bushings dramatically help the vehicle maintain proper rear toe and caster under high performance driving conditions