If your RX-8 is lowered or modified with adjustable high/low kit, then these adjustable end links are must to have on your RX-8. Look at diagrams below. Photo 1 shows when stock straight out of factory. Photo 2 shows when car is lower, stabilizer bar is angled in wrong position. Which cause tension to the bar and making the car unstable. Photo 3 shows with adjustable end links on lowered car. Links are adjusted at correct height.