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FMF Mini Powercore 4 Exhaust System

The FMF Mini Powercore 4 features a Hi-Flo stainless steel core and formed end cap, an aircraft grade aluminum canister and a durable stainless steel header that delivers serious power to your mini.


  • Hi-Flo header and end cap
  • Pounds lighter than stock
  • Improved throttle response
  • 100% Made in the USA

This Product Fits:

CRF100F 2004-2013
CRF110F 2013-2015
CRF125F 2014-2015
CRF125F (Big Wheel) 2014-2015
CRF50F 2004-2015
CRF70F 2005-2012
CRF70F 2004
CRF80F 2004-2013
XR100R 2001-2003
XR100R 1986-2000
XR50R 2000-2003
XR70R 2001-2003
XR80R 2001-2003
XR80R 1986-2000
KLX110 2002-2015
KLX110L 2010-2015
TTR110 2008-2015
TTR125 2000-2015
TTR125L 2000-2008
TTR50 2006-2015
TTR90 2000-2007
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