exhaust complete kit

Find out more

exhaust complete kit

The kit contains all necessary components for assembly, including:
-exhaust manifold with water jacket (upper + lower),
-diffuser made of high-grade stainless steel (inox),
-adjustable water injection nozzle for precise EGT setting,
-waterbox with an innovative design to prevent engine flooding,
-complete gaskets, ferrules, ties, silicone tubing and fittings etc.
-króciec 3/8", przewód wody, złącza oraz elastyczne połączenia.

Key features:
Ready-to-assemble kit - all components included, no additional purchases necessary.
Improved resonance characteristics - The inox steel diffuser offers better performance than carbon substitutes.
Adjustable water injection - allows precise control of temperature and EGT parameters.
Safe waterbox - The unique design directs exhaust fumes to the outlet, and the tall design protects the engine from flooding.
Lightweight diffuser 2.5 kg - optimum combination of strength and low weight.
Designed for freestyle jetski and engines based on Yamaha SJ - ideal for tuning and sports applications.

Why choose the JetSkiMann Exhaust Kit?
The JSM exhaust kit was designed by engineers with experience in water sports and motorsport.
It uses state-of-the-art TIG welding technology, precision fitting of components and corrosion-resistant materials.
In contrast to carbon systems, inox steel provides stable wave pressure and durability at high temperatures, without the risk of burning the pipe.
This performance exhaust system is the ideal solution for those who want more - more power, better sound and full control over engine characteristics.


Technical specifications:
Material: stainless steel (inox)
Tube weight 2.5 kg
Type: exhaust system for 2T engines / freestyle jetski
Compatibility: Yamaha SuperJet, SJ-based engines, PWC custom designs
Installation: plug & play - complete installation kit included

Kit contents:
-Exhaust manifold
-Inox steel diffuser
-Waterbox with patented shape
-Króciec 3/8"
-Water pipe
-Water filter
-Water injection nozzles (adjustable)
-Gaskets
-Clip bands (small and large)
-Silicone tubing
-Flexible silicone connectors
-Silicone tubing for the waterbox-hull connection


Configurable set
Kit JetSkiMann Performance Exhaust can be tailored to individual user requirements.
On request it is possible:
applications e.g. standard waterbox,
matching the diffuser geometry to the specific engine or driving style,
the execution of the elements in custom
This allows you to create a configuration perfectly suited to your project.