From tecc-Design the inexpensive alternative to the expensive Yamaha MT01 original ring

• The exhaust cover ring can be used with series YAMAHA exhaust or AKRAPOVIC exhaust with dual seat
• The cladding ring is made of aluminum produced accurately, with sanded surface
• Black anodized, with reworked visible surfaces
• The very solid construction of the ring prevents vibration cracks
• Damage such as scratches and small dents can often be repaired very inexpensively again
  
• The muffler ring is mounted in a few minutes, an installation manual is included
• No drilling or reworking of the MT 01 exhaust cover or of the ring is necessary, the ring is mounted just like the original Yamaha MT-01 silencer ring

Because of the longer Akrapovic silencer, these rings are longer than the Yamaha series rings (see pictures with Yamaha standard exhaust system).
Exhaust end rings with normal length (like Yamaha ring), see mta-01

Other designs and shapes are possible!