Flowmaster's American Thunder Cat-back exhaust system for the 2018-2019 Jeep Wrangler JL with the 3.6L V6 is perfect for the person looking for a moderate to aggressive exterior and mild interior exhaust tone, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system features 2.50 inch mandrel bent inlet pipes, a stainless steel 80 Series cross-flow muffler and dual 2.50 inch mandrel bent tailpipes. The system finishes with large 4.00 inch black ceramic coated Flowmaster stainless steel tips for a stealthy modern look. The system is designed for an easy fit and 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: NoExhaust Series: American ThunderExhaust Type: Cat-BackExit Position: Dual Out RearHeat Shield Attached: NoInlet Inside Diameter: 2.500 in.Material: 409 Stainless SteelMount Type: Uses Factory HangersMuffler Body Length: 15.000 in.Muffler Body Material: 409S Stainless SteelMuffler Body Shape: OvalMuffler Color: BlackMuffler Count: 1Muffler Finish: PaintedMuffler Inlet Diameter: 2.500 in.Muffler Inlet Location: OffsetMuffler Outlet Diameter: 2.500 in.Muffler Outlet Location: Dual OutletMuffler Overall Length: 32.000 in.Muffler Part Number: Kit OnlyMuffler Series: 80 SeriesMuffler Type: ReflectionSingle or Dual: DualSound Level: Moderate/AggressiveSystem Type: Cat BackTail Pipe Diameter: 2.500 in.Tail Pipe Material: 409SSTip Cut: AngleTip Diameter: 4.000 in.Tip Edge Style: CutTip Finish: Black Ceramic CoatedTip Length: 5.250 in.Tip Logo: EmbossedTip Material: 304 Stainless SteelTip Quantity: 2Tip Shape: RoundTip Type: Double WallTubing Diameter: 2.500 in.Tubing Material: 409S Stainless SteelWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov