2X Blue Universal Bumper Protector Lip Rod Splitter Strut Tie Bars Support Kit Universal Fit For All Car These support rods are used to reinforce your front splitter or rear diffuser. Splitter. Comes with a pair of stainless steel support rods. Specially engineered stainless steel adjustable tie bars (also known as front splitter rods) are commonly used to in reinforce/support front splitter panels or rear diffusers. These include fully articulated top and bottom joints which allow them to be installed at any angle.