Front pipe is 80φ
↓
60Φ×2
↓
Sub silencer 100Φ×2 (inner pipe 60Φ×2)
↓
flange connection
↓
70φ center pipe
↓
flange connection
↓
Main silencer 130Φ×2 (inner pipe 60Φ×2)
↓
70φ×2
↓
One side genuine compatible valve
One side straight
↓
115Φ tail x 2
This is the specification.
Some people may feel that the pipe diameter of 60Φ x 2 is small, but the cross-sectional area is equivalent to 85Φ.
The 70Φ x 2 after the main silencer is almost equivalent to 100Φ, so it has a megaphone structure of 80Φ → 85Φ → 100Φ, promoting highly efficient exhaust.
*Competition only part Reference proximity exhaust sound 83db for early B58

〇Main diameter 60→70Φ
〇Sub-tie inner pipe diameter 60Φ×2
〇Silencer type shell parallel layout
〇Inner pipe diameter 60Φ×2
〇Tail diameter 115Φ×2
〇Remarks
〇Weight
〇Normal weight
〇Package size 2010mm x 240mm x 680mm (weight after packing 14.5kg)
〇Accessories Dedicated gasket + Dedicated titanium bolt nut Plug-in connection band

Please feel free to contact us regarding delivery dates, shipping costs, etc.