Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 2007-2013 Dual 12" Subwoofer Sub Box Speaker Enclosure

Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 2007-2013 Dual 12" Subwoofer Sub Box Speaker EnclosureMPN GM2X12-EX07Fits many model years — weak donor evidenceView on Amazon

This product is not in a public Fitment category.

Mapped to 81 model years. Treat that as a universal/accessory span, not component-specific interchange.