Anyone can make a stiff sway bars, but at aFe Control we provide you the perfect balance by pairing the proper size front and rear sway bars together to offer increased roll stiffness without upsetting the vehicles balance and traction control systems. Designed specifically with lightweight material this swaybar will transform the handling of your car and inspire confidence behind the wheel. Cornering will be flatter and neutral in any corner. Perfectly balanced, the 29mm rear bar are lightweight tubular construction and feature CNC machined, TIG welded bar ends for a perfect fit. The kit includes CNC machined 6061-T6 sway bushing brackets that are anodized black and a direct fit for the included polyurethane bushings. For years of durability and great looks, the rear sway bar is powder-coated a special 2 stage tangerine orange and is a direct fit. Perfectly balanced, aFe Control rear sway bars will have your car handling just as good at the track as it will around town. aFe Control Front and Rear Sway Bar Set BMW M2 (F87) 15-20 / M3/M4 (F80/82/83) 15-20 L6-3.0L (tt) N55/S55 BMW M2 (F87) 15-20 / M3/M4 (F80/82/83) 15-20 L6-3.0L (tt) N55/S55