Flowmaster 817620 Force II DPF-Back Exhaust System Vehicle Type: Flowmaster Fitment: 2015/Chevrolet/Silverado 3500 HD/WT Extended Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 97.6, Not Legal For Sale Or Use In California^^2015/Chevrolet/Silverado 3500 HD/WT Extended Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 78.8, Not Legal For Sale Or Use In California^^2015/Chevrolet/Silverado 3500 HD/WT Crew Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 97.6, Not Legal For Sale Or Use In California^^2015/Chevrolet/Silverado 3500 HD/WT Crew Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 78.8, Not Legal For Sale Or Use In California^^2015/Chevrolet/Silverado 3500 HD/LTZ Extended Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 97.6, Not Legal For Sale...