S3 exhaust valve regulator 

Will make you discover and enjoy your engine thanks to the control of your exhaust valve actuated easily and with your own hand.

Blue Adjustment Knob

Its totally intuitive operation and suitable for any type of pilot, situation and terrain, will make you notice a VERY BIG change in engine reaction on the spot, being able to vary it in seconds even with the engine running without the need for tools and without damaging the system.

*Includes O-ring Ready for Plug & Play.


The development of this product respects the S3 product philosophy which seeks to provide the rider with a plus of quality, design, practical value without forgetting the Racing DNA of the brand.
Fits:
KTM/Husqvarna 250/300 cc. 2017-2021 - TPI o carburador
Gas Gas 250/300 cc 2021

`98-21 KTM 250/300 XC/XCW/EXC/MXC/SX/6D

`11-14 Husaberg TE/TC 250/300

`14-21 Husqvarna TE/TC/TX 250/300

`16-21 KTM/Husqvarna 125/150

`18-21 KTM/Husqvarna 85cc

`21 GasGas 250/300

`21 GasGas MC85, MC125