2hole 10" for GMC/Chevy 1999-2006 Xcab

• Fits Under Rear Seat, Downfire

2hole 12" for GM/Chevy 1999-2006 Xcab

• Fits under Rear Seat, Downfire
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2hole 10" for Chevy Avalanche ALL years 

• Underseat Downfire, Remove Plasti

2hole 12" Sealed for All Chevy Avalanche (Behind Seat)

• Behind Seat Forward

2hole 12" Vented for All Chevy Avalanche (Behind Seat)

     Behind Seat For