HGS - Yamaha 4 Stroke Exhaust Systems Apex Bicycles When all you need is

When all you need is stay light and hydrated

thanks to its revolutionary grip tendencies

Jacket made in high strength technical fabric

Zipper access to stitch the logos of your sponsors

HGS - Yamaha 4 Stroke Exhaust Systems Apex Bicycles When all you need isHGS is a Dutch company that produces high quality exhaust systems for enduro and dirt bikes since 1988. The HGS exhausts are highly regarded by many professional motocross teams and privateer riders competing at different levels of competition. Dont get left behind, When controlled horsepower is the question HGS is the answer! The HGS silencer will have an exhaust noise below the race rule 94db in enduro racing and motocross racing.