Scarico Big One Factory, fondello acciaio, silenziatore alluminio

The Factory Expansion chamber is made from variable thickness steel sheets. This feature provides a greater prorection where it is needed and insures a great sound to the exhaust system.

• Completely handmade, eye-catching look
• Welded joints are contained, to avoid protrusions
• Power increase over the entire range of use
• Compatible with the original silencer