MagnaFlow California Converter 15204 Features: Dyno Tested And Proven To Make Power Performance Gains In Horsepower And Torque Great Sound -Has A Smooth; Deep Tone Easy To Install 100% All Stainless Steel Mandrel-Bent. All Welded. Built To Last. Lifetime Warranty Height: 20.750 Width: 14.250 Length: 59.000 Weight: 70 Fitment: 2013/GMC/Sierra 1500/Denali Crew Cab Pickup 4-Door/6.2L 376Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3^^2012/GMC/Sierra 1500/Denali Crew Cab Pickup 4-Door/6.2L 376Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3^^2011/GMC/Sierra 1500/Denali Crew Cab Pickup 4-Door/6.2L 376Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3^^