APE offers billet low profile breather covers for the Suzuki Hayabusa. Offered in three styles. Single outlet, as the oem unit, dual outlet, for some very large motors that may need more breathing capacity, and no outlet for motors using vacuum pumps.
BC1300 - Single vent. Comes with a hose fitting. Uses OEM gasket. - $49.95
BC1300-2 - Double vent. Comes with two hose fittings. Uses OEM gasket. - $54.95
BC1300-0 - Zero vents. Uses OEM gasket - $44.96