Flowmaster's Outlaw Cat-back exhaust system for the 2009-2013 GM Silverado and Sierra 1500 truck is perfect for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) emissions-legal system for trucks with the 5.3L V8 engine features a stainless steel Super 10 Series muffler and dual mandrel bent 3.00" stainless steel tailpipes for maximum sound and performance. The system also features Black Ceramic coated 4.00" double wall stainless steel tips. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: Fits Crew Cab and Double Cab models only.Warranty Information:Limited LifetimeCalifornia Proposition 65 Chemical Name 1: Nickel (metallic)California Proposition 65 Chemical Name 2: Chromium (hexavalent compounds)Catalytic Converter Included: NoColor: BlackExhaust Series: OutlawExhaust Type: DualExit Position: Dual Rear Same SideExit Style: StraightHeat Shield Attached: NoInlet Diameter: 3.000 in.Inlet Inside Diameter: 3.000 in.Material: Stainless SteelMount Type: FlangedMuffler Count: 1Muffler Part Number: Kit OnlyMuffler Series: Super 10 SeriesMuffler Type: ReflectionOutlet Diameter: 3.000 in.Outlet Outside Diameter: 3.000 in.Shape: OvalSingle or Dual: DualSound Level: AggressiveSystem Type: Cat BackTail Pipe Diameter: 3.000 in.Tip Cut: AngleTip Diameter: 4.000 in.Tip Edge Style: CutTip Finish: Black and CeramicTip Length: 13.000 in.Tip Logo: EmbossedTip Material: Stainless SteelTip Quantity: 2Tip Shape: RoundTip Type: Double WallTitle: Flowmaster 817688 Cat-back System - DOR/S - Outlaw - Aggressive SoundTubing Diameter: 3.000 in.WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov