I bought one prepainted from this link on Amazon
Accent Spoilers - Spoiler for a Ford Mustang GT500 Factory Style Spoiler-Pitch Black Paint Code: UA https://www.amazon.com/dp/B01JGWMOSS/ref=cm_sw_r_cp_apa_i_NIMmDbVJ4N0VV
Great fit and finish. $119 00 painted. Free shipping