Whiteline 02-07 Subaru WRX Sedan Front 22mm Heavy Duty Adjustable SwaybarBrand Whiteline Part Number BSF33Z Category Suspension Sway Bars Condition Brand New Original Manufacturer Packaging Engineered to 'Activate More Grip', sway bars are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are spread more evenly across the tires thereby increasing cornering grip and improving outright performance. This Whiteline 22mm 2 point adjustable sway bar = more grip = better handling = outright