This rear triangulated rear bar is not for the ordinary driver. Built with 6061T6 aluminum this bar is built for racing. A rear strut tower bar works great for daily driven cars, but once you get to the track its all about stability. The bar attaches to the factory strut tower at the top and at the bottom, two small holes need to be drilled. There will be two additional plates included with the bar to sandwhiched the fender well. The brace is fully TIG welded.