Rear Bumper Diffuser Lip Shark Fin Spoiler Compatible With 2003-2008 Nissan 350z Fairlady Z33. Unpainted Black Finish, May Require Sanding/Prepping/Primer Before Paint Job. Note: Heating Up the Piece Maybe Needed For Better Fitment. Material: Made of high quality PU Polyurethane.Bolt on with hardware and double sided tape.(NOTE: This item doesn't include hardware and tape) Installation: Drilling required. Installation instruction manual not included. Professional Installation Is Highly Recommended. Package included:1 X Rear Bumper Diffuser As Shown In the Picture.