A premium muffler with a clearance of legal sound level

A Japan auto inspection sound level compliant exhaust.

It is a premium straight type exhaust whic meets the sound level set by the Japan auto inspection system.

The main pipe and silencer are made of a high quality SUS304 stainless with all the TIG welding done by hand. The dolphin tail, which is the signature of J's Racing exhaust, has a 114mm diameter and presents a very impressive appearnace.  All the exhausts are hand made one by one by a very experienced craftsman for the superior quality.

The structure is 70 φ - 70 φ x2, which works well both for a better performance from a boost up and for maintaining ample torque at a lower rev range.

Exhaust sound level 89db/a