Increase overall engine performance with the FMF Factory Fatty expansion pipe, manufacturer part number 025121. Designed for broad power gains throughout the engine’s usable range, this performance pipe is a practical upgrade for riders seeking stronger and more responsive two-stroke power. The pipe is engineered for select KTM and Husqvarna models and is supplied under the FMF Factory Fatty product line.
Featuring FMF’s electro-nickel plating, the pipe has a durable non-chip finish designed to resist discoloration during regular riding and off-road use. The Factory pipe section retains hand-pounded welds and is left uncoated, matching the appearance and construction style associated with factory race machines. This combination provides a purposeful race-inspired finish while supporting dependable performance in demanding conditions.
Fitment includes the 2011–2015 KTM 150 XC, 2012 KTM 125 SX, 2014–2015 Husqvarna TC 125, and 2014–2015 Husqvarna TE 125. Confirm the motorcycle model and year before ordering to ensure proper compatibility. This FMF Factory Fatty pipe is identified by vendor part number 78-1510F and manufacturer part number 025121.
Features:
- Power Increase: Designed to provide an all-around power increase throughout the engine’s power range.
- Finish: Electro-nickel plating helps create a durable, non-chip finish that resists discoloration.
- Factory-Style Construction: The Factory pipe section features hand-pounded welds and no coating, similar to works-style race pipes.
- Fitment: Fits 2011–2015 KTM 150 XC, 2012 KTM 125 SX, 2014–2015 Husqvarna TC 125, and 2014–2015 Husqvarna TE 125.
- Identification: FMF vendor part number 78-1510F and manufacturer part number 025121.
Fitment:
2011 KTM 125 SX
2011 KTM 150 SX
2011 KTM 150 XC
2012 KTM 125 SX
2012 KTM 150 SX
2012 KTM 150 XC
2013 KTM 125 SX
2013 KTM 150 SX
2013 KTM 150 XC
2014 Husqvarna TC 125
2014 Husqvarna TE 125
2014 KTM 125 SX
2014 KTM 150 SX
2014 KTM 150 XC
2015 Husqvarna TC 125
2015 Husqvarna TE 125
2015 KTM 125 SX
2015 KTM 150 SX
2015 KTM 150 XC
2016 Husqvarna TE 125