The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
Fitment:
2009 Yamaha YFZ450R Base
2010 Yamaha YFZ450R Base
2010 Yamaha YFZ450X Base
2011 Yamaha YFZ450R Base
2011 Yamaha YFZ450X Base
2012 Yamaha YFZ450R Base
2013 Yamaha YFZ450R Base
2014 Yamaha YFZ450R Base
2015 Yamaha YFZ450R Base
2016 Yamaha YFZ450R Base
2017 Yamaha YFZ450R Base
2018 Yamaha YFZ450R Base
2019 Yamaha YFZ450R Base
2020 Yamaha YFZ450R Base
- air_freight_prohibited:
- false
- not_carb_approved:
- false
- ltl_freight_required:
- false
- prop_65:
- Unknown
- part_type:
- powersports
- epa:
- Compliant
- carb_acknowledgement_required:
- false
- regular_stock:
- t