Toyota Supra GR A90 MK5 R1 TITAN EXTRA Gold Ring STTI Exhaust System

MEIN Silencer 130φ×2 (Inner pipe 60Φ×2)

From the main silencer to the tail 70Φ

Valve for genuine

BTail Gold Ring 115Φ×2

Completed R1 TITAN EXTRA Gold Ring STTI for A90.

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 One valve
straight
↓
115Φ tail x 2
specifications.

Some people may feel that the pipe diameter of 60Φ x 2 is thin, but the cross-sectional area is equivalent to 85Φ.
Since 70Φ×2 after the main silencer is almost 100Φ, it has a megaphone structure of 80Φ→85Φ→100Φ, which promotes highly efficient exhaust.

*Competition-only part Reference proximity exhaust sound 83db