Performance:All of the pipes have flared ends for easy sliding installation.DIY Custom Mandrel Exhaust Pipe to the car's modified exhaust system to ensure optimal performance.Also available for intake system, stair handrail, etc.Construction to maintain integrity for easier installation. cut and weld is available, exhaust elbow pipe is great for DIY projectsMade of:Durable heat resistant T304 Stainless Steel material. Durable: Not easily damaged, No rust, anti-oxidation, Mirror polishingFeature:Pipe Type: Mandrel Exhaust PipeMaterial: T304 Stainless SteelColor: Silver ToneOuter Diameter: 57mm / 2.25"Leg Length: 1143mm / 45"Installation Guide:Easy to install:1. Clean the Mandrel Exhaust Pipe2. Fit the connecting pipe and exhaust pipe together3.