The exhaust system pipe is made of high quality stainless steel. TECHNICAL PARAMETERS: - Angle: 45 degrees, - Diameter: 2 ", - Length: 61 cm, - Material: Stainless Steel. made of high quality stainless steel. TECHNICAL PARAMETERS: - Angle: 45 degrees, - Diameter: 2 ", - Length: 61 cm, - Material: Stainless Steel.