HGS Exhaust Yamaha YZF250WR 2014-2019 with stainless & blue/carbon end cap
HGS exhaust systems are highly regarded by many GP teams. on the Yamaha YZF250 WR Enduro machine the power increase is over 3BHP.
Reverse cylinder engines do not have a bomb in the HGS Exhaust system.
This system is enduro legal.