Mivv AK-1 full exhaust system, homologated, in black stainless steel for Yamaha YZF R9 25-26 | MT-09 24-26

Specifications for the AK-1 Y.078.LZK Full System for YAMAHA YZF R9 25-26 | MT 09 24-26

The MIVV AK-1 model features a finish that adapts perfectly to the aesthetics of this bike, and it is also a model that has focused primarily on attention to detail, without compromising design and performance.

Main features of the AK-1 for YAMAHA YZF R9 25-26 | MT 09 24-26

This model is designed to improve the aesthetics, sound, and performance of the YAMAHA YZF R9 25-26 | MT 09 24-26, as it was created with the goal of meeting the highest demands of riders:

The exhaust line is made of stainless steel painted in black, using the "Black Moon" effect, which is achieved through a ceramic-based paint process, resulting in a more aggressive look.

STEEL.- Headers made of stainless steel. This is the Steel version, made of AISI 304 stainless steel with a thickness of 1 mm, which is the main difference compared to the Evo header line used.

The advantages these headers offer compared to the stock headers are:

• Weight savings
• Greater starting power and maximum torque
• Highly reliable materials, which withstand higher temperatures than the steel used in the stock version.
• Ease of installation

Other features

• The position of the end-can is High
• Link pipe included.
• The terminal features the distinctive MIVV logo, made with laser technology.
• It has a perimeter clamp with double riveting and the inlet bushing is solidly manufactured to offer maximum coupling precision.

How much does the AK-1 line improve the performance of the YAMAHA YZF R9 25-26 | MT 09 24-26?

Below is a comparison of the stock exhaust with the full AK-1 system installed: NOT AVAILABLE

Is the AK-1 Y.078.LZK homologated?

For this MIVV Y.078.LZK silencer for YAMAHA YZF R9 25-26 | MT 09 24-26 to be homologated, it must meet the following two homologations:

• Homologation for sound emissions db(A): YES. This product is homologated according to one of the following regulations: CE European Commission - Directive of the European Parliament and of the Council No. 97/24 EC chap. 9 and subsequent updates or ECE/UN - ECE/UN Regulation No. 92 and subsequent updates. Noise emissions meet the parameters of the homologation decree only if the optional catalyst is installed. However, it must have the catalyst that comes as an accessory installed.
• Homologation for CO2 emissions: YES. (However, for the exhaust system to be homologated, it is necessary to install the optional homologated catalyst, according to European Directive 97/24 chap. 5 and subsequent updates, or according to European Community (EU) regulation no. 134/2014 (Euro 4+5)). The catalyst is purchased separately, it can be found as a product accessory

IMPORTANT: NOTICE: CARBON HEAT SHIELD INCLUDED. HOMOLOGATED ONLY WITH ACC.099.A1 CATALYST INSTALLED. Installing this exhaust system without the catalytic converter and the switch-off key may cause the engine warning light to turn on. Removable catalyst ACC.099.A1 available as an option

Which bikes is it compatible with according to MIVV?

• YAMAHA R9 2025 - 2026
• YAMAHA MT-09 / SP / FZ-09 2024 - 2026