FMF Fatty Pipe

Fits The Following Bikes:

KTM 250 EXC 2004-2010
KTM 250 EXC E-STARTER 2010
KTM 250 EXC SIX-DAYS 2004-2010
KTM 250 SX 2004-2010
KTM 250 SXS 2004-2005
KTM 250 XC 2006-2010
KTM 250 XC-W 2006-2010

KTM 300 EXC 2004-2007
KTM 300 EXC 2009-2010
KTM 300 EXC SIXDAYS 2005-2006
KTM 300 EXC SIXDAYS 2009-2010
KTM 300 EXC-E 2007-2008
KTM 300 MXC 2004
KTM 300 XC 2006-2010
KTM 300 XC-W 2006-2010


KTM OEM replacement part: 54805009000
KTM OEM replacement part: 54805007300
KTM OEM replacement part: 54805007100

For compatibility with your bike model please check the KTM spare parts catalogue.


With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you?re looking for.

-More tractable power, improved throttle control

-Provides power gains throughout entire power band

-Carbon steel with a nickel plated finish for maximum durability

-FMF Racing?s Tru-Flo stamping process ensures a perfect fit and optimum performance.

-Can be used with FMF or stock silencer (unless noted)

-Our most popular 2-stroke pipe

-O-Rings Included