The FMF Powercore 4 S/A Silencer is a high-flow exhaust silencer designed for select Honda CRF50F models. Manufacturer part number 040011 and vendor part number 79-1427 identify this application-specific replacement or upgrade for the 2004–2009 and 2011–2014 Honda CRF50F. Its Powercore 4 design helps improve exhaust flow while maintaining effective sound absorption for dependable trail and recreational riding performance.
Constructed with a durable extruded aluminum canister and a stainless steel midpipe, the silencer uses MIG/TIG-welded construction for strength and long-term durability. The internal packing is engineered to provide efficient sound control while supporting increased exhaust flow. Compared with the original equipment exhaust, the FMF Powercore 4 is designed to offer a lighter, stronger, and more powerful alternative.
The Powercore 4 S/A includes a maintenance-free stainless steel spark arrestor screen approved by the U.S. Forest Service. This feature makes it suitable for riding areas that require an approved spark arrestor. The silencer is designed to fit 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, and 2014 Honda CRF50F motorcycles. Verify the motorcycle year and model before ordering to ensure proper fitment.
Features:
- High-flow Powercore 4 design provides more surface area for sound absorption while supporting increased exhaust flow
- Extruded aluminum canister with a stainless steel midpipe and MIG/TIG-welded construction
- Space-age internal packing helps control sound and maintain performance
- Lighter, stronger, and more powerful design than the stock exhaust
- Maintenance-free stainless steel spark arrestor screen approved by the U.S. Forest Service
- Fits 2004–2009 and 2011–2014 Honda CRF50F models
- Brand: FMF
- Manufacturer part number: 040011
- Vendor part number: 79-1427
Fitment:
2000 Honda XR50R
2001 Honda XR50R
2002 Honda XR50R
2003 Honda XR50R
2004 Honda CRF50F
2005 Honda CRF50F
2006 Honda CRF50F
2007 Honda CRF50F
2008 Honda CRF50F
2009 Honda CRF50F
2010 Honda CRF50F
2011 Honda CRF50F
2012 Honda CRF50F
2013 Honda CRF50F
2014 Honda CRF50F
2015 Honda CRF50F
2016 Honda CRF50F
2017 Honda CRF50F
2018 Honda CRF50F
2019 Honda CRF50F
2020 Honda CRF50F
2021 Honda CRF50F
2022 Honda CRF50F
2023 Honda CRF50F
2024 Honda CRF50F
2025 Honda CRF50F
2026 Honda CRF50F