The KYB Excel-G gas shock for the rear of 2018–2021 Mazda6 is a direct-fit replacement designed to restore original ride and handling. With gas-charged construction and OE-style valving, it helps control body motion and damping for improved comfort and stability after the factory shock ages. It’s intended for everyday driving and light-load conditions to return predictable handling.
KYB 18-21 Mazda 6 Excel-G Gas Shock - Rear