We recommend using these plugs with any of our tunes especially when going above level 3

IF BIG MO IS RUN WITH WHISPER BISCUIT AT HIGH THROTTLE LOAD DAMAGE TO MUFFLER AND OR MACHINE MAY OCCUR

They are precision cut and molded to ensure exact fit to your machine

Available for Firecats

If you own an Arctic Cat Snowmobile with a Diamond Drive

Pipe Sensor Block Off / Arctic Cat Category_Default Category/SLED/Polaris/600 Race Sled We recommend using these plugsIts no secret that the expensive stock Cat pipe temp sensor fails often. Quit worrying about going into limp mode for no reason with this simple to install block off kit! The stock sensor is in place to adjust fuel and timing during cold (warm up) and in overheat conditions. Removing this sensor will provide more consistent results when tuning the machine, especially with aftermarket parts. However, it will also disable some factory safety features.