Flowmaster's American Thunder Cat-back exhaust system for the 2015 - 2019 Dodge Challenger SXT is perfect for the person looking for a moderate exterior sound level while maintaining a mild interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system for the 3.6L V6 engine features 2.50" mandrel bent tubing for maximum performance and includes a Scavenger X-pipe and dual Super 44 mufflers. The system is finished off with tuned resonators and stainless steel tips that exit within the rear bumper valence. 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.Warranty Information:Limited LifetimeCalifornia Proposition 65 Chemical Name 1: Nickel (metallic)California Proposition 65 Chemical Name 2: Chromium (hexavalent compounds)Catalytic Converter Included: NoColor: Black Muffler; Natural TubingExhaust Type: DualExit Position: Dual RearExit Style: StraightHeat Shield Attached: NoInlet Diameter: 2.500 in.Inlet Inside Diameter: 2.500 in.Material: Stainless SteelMount Type: FlangedMuffler Count: 2Muffler Part Number: Kit OnlyMuffler Series: Super 44Muffler Type: Welded BaffleOutlet Diameter: 2.500 in.Outlet Outside Diameter: 2.500 in.Shape: OvalSingle or Dual: DualSound Level: ModerateSystem Type: Cat BackTail Pipe Diameter: 2.500 in.Tip Cut: AngleTip Diameter: 2.500 in.Tip Edge Style: CutTip Finish: PolishedTip Length: 3.500 in.Tip Logo: NoneTip Material: Stainless SteelTip Quantity: 2Tip Shape: RoundTip Type: Single WallTitle: Flowmaster 817737 Cat-back System - DOR - American Thunder - Moderate SoundTubing Diameter: 2.500 in.WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov