Hooker 21721HKR 1993-99 Camaro/Firebird Replacement 1993-99 Camaro/Firebird Replacement Single 2-1/2" Offset Inlet Dual 2-1/4" Outlets 4-3/4"H x 10-1/4"W x 20"L 16 Gauge Aluminzed Steel Case O.E. Mounting Provisions