aFe Power 49-44029-P Features: 5 in. Mandrel Bent Stainless Steel Tubing Free Flow System Increased Horsepower And Torque Increased flow Increased MPG Race Only Product Solely For Competition 2 Year Limited Warranty Height: 14.00 Width: 19.00 Length: 60.00 Weight: 79.00 lbs Vehicle Type: 1 qty Fitment: 2015/GMC/Sierra 3500 HD/SLT 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/GMC/Sierra 3500 HD/SLT 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/GMC/Sierra 3500 HD/SLT 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/GMC/Sierra 3500 HD/SLT Crew...