FACTORY EFFEX RS1 Seat Cover - YZ 450F 18-29228 Full Exhaust class-leading resonance absorption and prevention

class-leading resonance absorption and prevention Use proprietary materials with specific acoustical dampening and thermal insulation properties The frequency and location of the perforation patterns in the cores creates significant sound scattering in the mid frequencies

Converts the stock diaphragm spring to six heavy-duty coil springs and provides a more progressive linear engagement

spring cups and stainless screws

The big tube step header is designed for large engines

FACTORY EFFEX RS1 Seat Cover - YZ 450F 18-29228 Full Exhaust class-leading resonance absorption and preventionTraction rib top panel Ballistic nylon reinforced OEM color matched material Seats feature contrasting ribs sides