TWIN AIR Standard Air Filter - DS70 156060 Gas Cap Gasket After three years of development

After three years of development we are proud to release the best auto-blipper available

A removable USFS approved spark arrestor will come equipped with this slip-on to make it easier for a rider to alternate between off-road and closed course racing

Graves Full System sound level - DB @ Idle 103 / DB @ 5000rpm 104

4" muffler body uses a cooling chamber with proprietary technology to prevent blueing

TWIN AIR Standard Air Filter - DS70 156060 Gas Cap Gasket After three years of developmentDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions