The Hybrid Megaphone EVO is a complete stainless steel exhaust system, from the main muffler canister and piping to the internal silencers, resonators, hangers, and brackets. This system provides both form and function which delivers durability, a sense of security, a comfortable sound, and overwhelming high-end power. Features: Piping Diameter: 65mm. - 70mm. x 2 Tip Diameter: 115mm. x 2 Exhaust Tip Style: Oval-Dual wall rolled, Angle cut: SUS304 stainless steel specification makes the exhaust system high quality All TIG welded. High quality and durability The original patent on the highly effective megaphone tube structure are both followed in Japan and U.S.A High endurance hybrid silencer of patent technology A new design and an oval tail that produces a feeling of luxury