CORSA Performance Pro-Series tips are dual-walled stainless steel. The dual-wall is designed to protect against heat distortion and maintain visual appeal. Each tip is adorned with high-definition, precision laser engraving that provides unmatched detail. CORSA Performance tip kits are designed to fit directly to CORSA exhaust systems.Material: 304 Stainless SteelOutlet Outside Diameter: 4.000 in.Outlet Type: DualOverall Length: 11.300 in.Position: N/AShape: RoundUsage: AutomotiveWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov