2004-2009 YAMAHA YFZ450: MOTOWORKS SR4 SLIP-ON EXHAUST Reviews
2004-2009 YAMAHA YFZ450: MOTOWORKS SR4 SLIP-ON EXHAUST Feature
- The Motoworks SR4 will give you all the power you crave with the sweet sound you desire.
- Made of 6063 T4 aluminum.
- Extruded aluminum mounting bracket.
- Head pipe is made of 304 stainless steel exhaust tubing with aircraft quality welding.
- 6061 CNC machined flange.
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