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 10" for GMC/Chevy 2007- 2013 Xcab HIGH Transmission
2hole 12\" for GMC/Chevy 2007-2013 Crew Cab
2hole 12" for GMC/Chevy 2007-2013 Xcab High Transmission
2hole 10" for Chevy Avalanche ALL yearsÂ
4hole 8" Ported for GMC/Chevy 2007-Current Crew Cab
2hole 12" Sealed for All Chevy Avalanche (Behind Seat)
2hole 12" Vented for All Chevy Avalanche (Behind Seat)
   Behind Seat For