Flowmaster dBX performance exhaust systems utilize patented, race proven, Laminar Flow technology which results in improved power, torque and fuel mileage along with a refined performance tone. The dBX mufflers feature a 304S stainless steel shell for an attractive performance look, and a durable 409S stainless steel core. Utilizing mandrel bent 409S stainless steel tubing and high quality installation accessories, the systems are engineered to provide a perfect bolt-on installation. The systems are also topped off with an attractive 304S stainless steel exhaust tip featuring the company logo.Warranty Information:Limited LifetimeCalifornia Proposition 65 Chemical Name 1: Nickel (metallic)California Proposition 65 Chemical Name 2: Chromium (hexavalent compounds)Exhaust Series: dBX SeriesExhaust Type: SingleExit Position: Single SideExit Style: StraightHeat Shield Attached: NoInlet Diameter: 2.500 in.Inlet Inside Diameter: 3.000 in.Material: Stainless SteelMuffler Count: 1Muffler Part Number: Kit OnlyMuffler Series: dBX SeriesOutlet Diameter: 3.000 in.Outlet Outside Diameter: 3.000 in.Sound Level: ModerateSystem Type: Cat BackTail Pipe Diameter: 3.000 in.Tip Diameter: 3.500 in.Tip Quantity: 1Title: Flowmaster 819144 Cat-back System 409S - Single Side Exit - dBX Series - Moderate SoundTubing Diameter: 3.000 in.WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov