Mivv MK3 full non-homologated exhaust in stainless steel for Yamaha YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24
Mivv MK3 full non-homologated exhaust in stainless steel for Yamaha YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24
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Full Line Specifications MK3 X.YA.0008.SM3X for YAMAHA YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24
The MIVV MK3 model is the result of the experience gained after years of participation in the Moto2 and Moto3 world championships; it is the synthesis of cutting-edge technology and high performance.
The design of the MK3 X.YA.0008.SM3X silencer features compact and solid dimensions, which is an example of the exhausts manufactured for the MK3 Motorcycle World Championship. Its sound is deep, pleasant, and unique.
Main features of the MK3 for YAMAHA YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24
This model is made to improve the aesthetics, sound, and performance of the YAMAHA YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24, as it was born with the aim of meeting the highest demands of racing drivers:
The exhaust line is made of brushed stainless steel; this material gives the exhaust a classic natural stainless steel look.
STEEL.- Headers made of stainless steel. This is the Steel version, made of 1 mm thick AISI 304 stainless steel, which is the main difference compared to the Evo header line used.
The advantages of these headers over the stock headers:
- Weight saving
- Higher starting power and maximum torque
- Highly reliable materials, which withstand higher temperatures than the steel used in the stock version.
- Easy to assemble
Other features
- The terminal position is Standard
- Connecting pipe included.
- The MIVV distinctive logo is on the terminal, made with laser technology.
How much does the MK3 line improve the performance of the YAMAHA YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24?
Below is a comparison of the stock exhaust with the complete MK3 terminal installed: Power: +0.60 HP, Torque: +0.70 Nm, Weight: -5.00 kg
Does the MK3 X.YA.0008.SM3X meet approval requirements?
For this MIVV X.YA.0008.SM3X silencer for YAMAHA YZF R3 15-24 | MT 03 (321 CC) 16-24 | YZF R25 15-24 to be approved, it must comply with the following two approvals:
- Sound emission db(A) approval: NO. This product is not approved for road use
- CO2 emission approval: NO (This product is not approved for road use)
Therefore, this exhaust does not meet the necessary requirements to be approved.
For which motorcycles is it compatible according to MIVV?
- YAMAHA YZF R25 2015 - 2024
- YAMAHA MT-03 2016 - 2024
- YAMAHA YZF R3 2015 - 2024

Frequently Asked Questions
How long do shipments take?
Shipments take between 3 and 10 business days to arrive, depending on the country and region.
Can I track?
Yes, the package can be tracked in real time via our tracking page
Are payments secure?
Yes, all our payment methods include insurance and buyer protection.
What if I have a problem?
All our products have a guarantee, if you have any problem please contact us and in less than 24 hours you will have a solution.
Are there free returns?
Yes, we process free returns within the first 30 days of receiving the product, as long as it is in the same condition as it arrived.
Are the exhausts approved?
We have both approved and non-approved models in stock. Approved models are clearly indicated in the description. If nothing is mentioned, it is not approved.
Will I be fined if it is not approved?
Almost all of our non-homologated models include removable DB killers. If the DB killer is installed, fines are not usually incurred.
Do they pass the MOT?
Approved models pass the MOT, as long as they have the db killer and catalytic converter installed.