Description
Features:
- Unparalleled performance
- Increase in horsepower and torque gains will be noticed across rpm range
- Electroless nickel plating increases part life 2-10x longer
- Stamped AKDQ high quality carbon steel
- Hand welded and pounded seams
- * requires Pro Circuit silencer
- ** requires flange kit, included
Fitment
Yamaha YZ490 1984
Yamaha YZ490 1985
Yamaha YZ490 1986
Yamaha YZ490 1987
Yamaha YZ490 1988
Yamaha YZ490 1989
Yamaha YZ490 1990