16+ Honda Civic Megan Racing Rear Camber Arms coiloverdepot.com Garage16 Progress Technology Rear Sway Bar Rear 21mm Honda Civic Rear Sway Bar Recommendation Page 6 2016+ Honda Civic Forum (10th Megan Racing Sway Bars for 2016 Honda Civic 2017 EXT Upgraded Rear Sway Bar 2016+ Honda Civic Forum (10th Gen. The first thing you will notice when having the Megan Racing sway bars on your vehicle is reduction of body lean roll. Megan Racing sway bars are used for tuning the handling balance and behavior of your vehicle. Help reduce under or oversteer of your car. Sway bar will make your drifting road racing experience a little easier to predict. It's constructed from high grade steel. Diameter is 22mm.