If your car is understeering, then try the optional rear anti-roll bar (#30 3400). The rear anti-roll bar will decrease rear chassis roll and decrease rear traction. This will give your car more steering.
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The complete hardware of the #30 3400 Rear Anti-Roll Bar set.
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View of the anti-roll bar mounted on the XRAY T1.
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Check how neatly the anti-roll bar is fastened in the rear of the car. Special small nylon caps fasten the wire to the rear, so the rear of the car remains elegant.
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Detail of the attachment of the anti-roll bar to the bottom rear arms.