Exhaust

Closed course use only.. HEADER TI MGBMB YZ450F

The ultimate power booster Improved bottom to mid-range power Produce the low end of a longer header and the top end of a shorter header Effectively reduces sound output by as much as 1.5 dB. HEADER TI MGBMB W/MID

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

The ultimate power booster Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Effectively reduces sound output by as much as 1.5 dB Run well with...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

For closed course competition use only. HEADER TI MGBMB KX450F

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Runs well with...

The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you donÆt need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included...

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor Fits stock and PowerBomb header. MUFFLER Q4 S/A YFZ450