Information?? High quality chassis partseries products. Made with high strength steel tubing for superior strength and durability. Stable performance, reliable quality and long service life Uniform thickness, no blow holes, slag, cracks, tearing, or incomplete fusion. Measured by specialized inspection tools after welding to make sure assemble hole , bushings insert, and installation sizes are proper. Professional InstallerisHighly Recommended(No Instruction Included) Alignment Highly Recommended After InstallCompatibility Chart?? For 2013 Dodge Challenger R/TClassicCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2013 Dodge Challenger R/TCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2012 Dodge Challenger R/TClassicCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2012 Dodge Challenger R/TCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2011 Dodge Challenger R/TCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2010 Dodge Challenger R/TCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspirated For 2009 Dodge Challenger R/TCoupe2-Door 5.7L345Cu.In.V8GASOHVNaturallyAspiratedPackage Content?? 1x Rear Driveshaft Prop Shaft Assembly