Review & Description
Up to 10% horsepower gain
Proprietary technology to increase flow
Pre-muffler lowers sound output up to 1.5dB
Modular exhaust port flange for reliability and less vibration
This Item Fits the Following Applications:
2002 Yamaha YZ426F
2002 Yamaha WR426F
2001 Yamaha YZ426F
2001 Yamaha WR426F
2000 Yamaha YZ426F
2000 Yamaha WR400F
1999 Yamaha YZ400F
1999 Yamaha WR400F
1998 Yamaha YZ400F
1998 Yamaha WR400F Read more
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