TRD springs lower the ride height of a Scion. They're designed to be direct replacements for the original equipment springs and are suitable for use with either original equipment or TRD shocks and struts. They've got a TRD red powder-coated finish.TRD Lowering Springs typically lower the vehicle from 1 to 1.5 inches, front and rear, lowering the center of gravity of quicker turn-in, enhanced steering reponse and cornering