Petty's Garage brings its years of NASCAR experience to design a race inspired rear spoiler. This fully functional spoiler will add down force to rear of your car starting at speeds as low as 60 mph. The Petty's Garage Rear Spoiler gives your challenger a distinct look that will make you stand out in a crowd. Each Petty's Garage Rear Spoiler is handmade by race seasoned fabricators. The Part is made from .125" aluminum stock and is TIG welded to the highest of standards. The Petty's Garage Rear Spoiler makes a great upgrade for the Dodge Challenger owner looking to add a distinctive feature that adds down force an improves handling. This product will require professional installation by a qualified auto body technician. Installation will include a repaint of the deck lid, repair of the stock mounting locations and the installation of five nutserts into the stock deck lid. The Spoiler comes primed and ready for paint. Instructions and all required hardware included.