Beatrush Front Strut Bar For Mazda Miata MX 5 NC REV9 Tanabe Sustec Front Strut Bar 2016 2017 Mazda MX 5 Miata Mazda Miata Front Strut Tower Brace at Naomi Marshall blog Knight Sports Front Strut Bar For Miata MX5 2016+ REV9. The strut tower bar is one of the most cost efficient upgrades that can be added to your 2016 2017 Mazda MX 5 Miata. Providing a very high degree of benefit in handling and stability that is felt immediately after installing, it is often one of the first modifications performed on a vehicle. The Tanabe Sustec Tower Bar has been very popular due to its low price and high functionality. By physically connecting the strut towers, the tower bar increases rigidity in that area, allowing the damping system to work as designed and minimizing changes in suspension geometry.