September 24, 2012(north port, FL)
These are good just cant figure out what to do with the other o-ring i only used one of them unless you use both? and your supposed to put them on exhaust port of engine not inside the head pipe
Pipe springs and o rings
April 20, 2012(Hampton , IA)
They fit and work great on my 2002 YZ125
FMF Pipe Spring and O-Ring Kit
February 09, 2012(Superior, WI)
Perfect replacement kit over stock...and a little cheaper in cost too
-2001 YZ 250
fmf pipe spring
January 19, 2012(kailua, HI)
Cheaper than oem.
FMF-Pipe Spring and O-Ring Kit
Andrew Johnson -
July 22, 2009(Cleveland, TX)
Great....Feels like I got a new pipe and got the power band like new!
easy low cost replacement
Jason Kellogg -
June 29, 2009(Medford, OR)
Exhaust back pressure is so important on 2 strokes, leaky exhaust does not help. Worth the money!
Pipe Springs FMF
April 09, 2009(St. Johns, FL)
Springs install easily and fit was great.
Aaron T. Heaton -
September 02, 2008(shelby, MT)
I don't know what was wrong but the seals didn't fit at all.