Magnaflow Performance Exhaust 17980 Custom Builder Pipe Kit Diesel Performance Exhaust System Height: 15.500 Width: 12.375 Length: 57.125 Weight: 64 Fitment: 2007/GMC/Sierra 3500/Classic WT Extended Cab Pickup 4-Door/6.6L 400Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 96.0, Except California, Not Legal For Sale Or Use In California^^2007/GMC/Sierra 3500/Classic WT Crew Cab Pickup 4-Door/6.6L 400Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 96.0, Except California, Not Legal For Sale Or Use In California^^2007/GMC/Sierra 3500/Classic SLT Extended Cab Pickup 4-Door/6.6L 400Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 96.0, Except California, Not Legal For Sale Or Use In California^^2007/GMC/Sierra 3500/Classic SLT Crew Cab Pickup 4-Door/6.6L 400Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 96.0, Except California, Not Legal For Sale Or Use In California^^2007/GMC/Sierra 3500/Classic SLE Extended Cab Pickup 4-...