2hole 10" Ported for GMC/Chevy 2007-2013 Crew Cab
2hole 12" Ported for GM/Chevy 2007-2013 Crew Cab
2hole 10" for GMC/Chevy 2007-2013 Crew Cab
2hole 12\" for GMC/Chevy 2007-2013 Crew Cab