Features bright chrome on T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power driving excitement fuel economy and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel superior to T-400 series knockoffs (such as 409) to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.Features & Benefits Borla products are constructed using T-304 stainless steel for long life and sharp appearance and feature all welded construction for maximum durability.Borla products are constructed using T-304 stainless steel for long life and sharp appearance and feature all welded construction for maximum durability.Additional Attributes Construction:All WeldedExhaust Type:Cat-Back SystemExit Position:Split RearExit Style:Truck Single Split Rear ExitGrade Type:PerformanceInlet Inside Diameter:2.750 in.Material:T-304 Stainless SteelMuffler Type:Straight-ThroughOff Road Use Only:NoOutlet Outside Diameter:4.000 in.Prop 65 (C R or CR):CRProp 65 - Long Label:WARNING: This product in the physical form it is sold does not present a hazard. However operations including but not limited to welding brazing or thermal cutting can expose you to chemicals including Chromium Nickel Cobalt Arsenic Cadmium and Lead which are known to the State Of California to cause cancer birth defects and other reproductive harm. For more information go towww.P65Warnings.ca.govProp 65 - Short Label:WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.govProp 65 Warning Label:Proposition 65 Warning.JPGProp 65 Yes/No:YesSystem Type:Cat BackTail Pipe Diameter:2.750 in.Tail Pipe Material:Stainless SteelTip / Outlet Finish:Polished T-304 Stainless SteelTip Diameter:4 in.Title:2014-2019 Chevrolet Silverado 1500/ GMC Sierra 1500 Cat-Back Exhaust System S-TypeTubing Diameter:2.750 in.