Our GT4 had an OEM fire extinguisher at one point but it has since been removed. The bracket was still mounted but the fire extinguisher itself was missing. That is a shame because it’s a nice feature to have, however the fire extinguisher itself was not that great (size or features). I decided to remove the OEM mount and replace it with a Rennline aluminum mount, quick release bracket, and Safecraft PB2 fire extinguisher. This not only looks better than the OEM but it is a larger capacity fire extinguisher that uses a better fire extinguishing agent.