2015 Spark 4x6 Rear Speaker Adaptor to 5x7

To adapt your rear speakers from the 4x6 small ones and put a larger 5x7 in their place. Mirror for opposite side. Designed for Phoenix Gold SX57CX speakers (Great Speakers, worth the $$) . May want to reduce flange cut depth from 3mm to 1.5mm, Size is 200mm x 146mm x 31.75mm. Will fit on 165mm X 145mm bed if you use the split in half version and use 4x 1/8 diameter pins and epoxy parts together. Original solid works file included for customization. Probably best to pick a black or gray m