Progress Adjustable Rear Sway Bar 2016-2024 Mazda MX5 ND (16mm)Progress Tech Sway bars dramatically improve handling. Our Sway bars minimize the body roll and keeps the tires flatter and better connected to the pavement for more control during cornering. The more stable tire contact patches result in better handling and added driver confidence. Chassis tuning with larger and or adjustable sway bars is an effective way to improve chassis balance and minimize the under steer so common with late model vehicles. Our