The FMF Powercore II Shorty Silencer is a high-performance replacement exhaust component designed for select KTM two-stroke motocross motorcycles. Manufacturer part number 025078 and vendor part number 79-2531S identify this FMF silencer for accurate application matching. Constructed from aircraft-grade 6060 T6 aluminum alloy, it delivers durable performance while supporting responsive engine operation.
This shorty silencer is completely repackable, allowing routine service to help maintain sound control and exhaust performance over time. Its design focuses on maximum performance with minimum noise and is compatible with stock expansion chambers as well as aftermarket pipes. The shorty configuration is engineered to improve low-end thrust, making it a practical choice for riders seeking stronger response in technical sections and out of corners.
Fitment includes the 2004–2010 KTM 125 SX, the 2007–2008 KTM 144 SX, and the 2009 KTM 150 SX. Verify the motorcycle model year and existing exhaust configuration before installation. The FMF Powercore II Shorty Silencer is intended as a direct-fit performance upgrade for compatible KTM applications and provides a serviceable, durable solution for motocross exhaust replacement or refresh.
Features:
- Construction: Extruded from aircraft-grade 6060 T6 aluminum alloy for durable performance
- Serviceability: Completely repackable to support ongoing maintenance
- Performance: Designed to provide maximum performance with minimum noise
- Compatibility: Fits stock pipes as well as aftermarket expansion chambers
- Shorty design: Helps improve low-end thrust on compatible late-model motorcycles
- Fitment: 2004–2010 KTM 125 SX, 2007–2008 KTM 144 SX, and 2009 KTM 150 SX
- Identification: FMF manufacturer part number 025078 and vendor part number 79-2531S
Fitment:
2004 KTM 125 SX
2004 KTM 150 SX
2005 KTM 125 SX
2005 KTM 150 SX
2006 KTM 125 SX
2006 KTM 150 SX
2007 KTM 125 SX
2007 KTM 144 Sx
2007 KTM 150 SX
2008 KTM 125 SX
2008 KTM 144 Sx
2008 KTM 150 SX
2009 KTM 125 SX
2009 KTM 150 SX
2009 KTM 150 XC
2010 KTM 125 SX
2010 KTM 150 SX
2010 KTM 150 XC