Description
Features:
- FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
- Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength
- Removable spark arrestor included
Specifications:
- Product Name: Muffler
- Type: Slip-On
- Model: Powercore 4
- Style: Oval
- Pipe Material: Stainless Steel
- Muffler Material: Aluminum
- Muffler Color/Finish: Anodized Champagne
- End Cap Style: Conical
- End Cap Material: Stainless Steel
- Weight: 5.7 lb
- Units: Each
- Riding Style: ATV
Fitment:
| Year | Make | Model |
| 2009 | Yamaha | YFZ 450R 4×2 |
| 2010 | Yamaha | YFZ 450R 4×2 |
| 2011 | Yamaha | YFZ 450R 4×2 |
| 2012 | Yamaha | YFZ 450R 4×2 |
| 2013 | Yamaha | YFZ 450R 4×2 |
| 2014 | Yamaha | YFZ 450R 4×2 |
| 2015 | Yamaha | YFZ 450R 4×2 |
| 2016 | Yamaha | YFZ 450R 4×2 |
| 2017 | Yamaha | YFZ 450R 4×2 |
| 2018 | Yamaha | YFZ 450R 4×2 |
| 2019 | Yamaha | YFZ 450R 4×2 |
| 2020 | Yamaha | YFZ 450R 4×2 |
