PRO CIRCUIT 304 Silencer YZ 490 1984-1990 SY84490-304 Large Radius Three-Bolt Style License Plate Mount Assembly 5 kg) over stock

5 kg) over stock

4" muffler body and matching end cap

Stainless Steel

Molded polyurethane foam for maximum comfort and styling

Upgraded star hub features Timken-style tapered bearings

PRO CIRCUIT 304 Silencer YZ 490 1984-1990 SY84490-304 Large Radius Three-Bolt Style License Plate Mount Assembly 5 kg) over stockThe slightly longer body offers added top end performance while reducing noise output Longer body design helps to reduce noise output 6061 T6 brushed aluminum silencer body Stainless steel inlet tube and end cap Tig and mig welded for strength and durability Double walled mounting bracket(s) Allen head screws ensure easy repacking when needed for extended product life Made in the USA