Weapon R Engine Damper Kit - Engine Damper Mounting Kit - RSX The high quality Weapon R Engine Damper mounts between your RSX engine block and the firewall to effectively control horsepower and torque. Keep your RSX motor supported as you slam through those gears while adding a nice showpiece under the hood. The Weapon R Engine Damper kit creates less stress to the engine mounts, giving you more power to the wheel.