YZ/RM/KX 250cc Stock/FMF Fatty/Pro Circuit/Bills - Exhaust Collar



  • Solves the age-old problem of preventing the pipe and silencer from leaking.
  • Before ordering measure pipe and silencer OD. They vary a lot.
  • Our collar fits 1.220-.230 for silencer and 1.370-.380 for pipe tube that the silencer goes under.
  • Manufactured from billet aluminum.
  • Custom machined for a perfect fit.
  • Special high-temp military-spec internal o-rings expand with heat to lock the clamp in place.
  • Replacement sealing rings also available.
  • Available in BLACK or polished finish . NO RED like on the picture.


  • RM/KX 250cc (96-08) Stock Pipe/Silencer
  • YZ 250 00-14 Stock pipe/Silencer

• Late model pipes have a short outside stop tube that the silencer goes under. Measure that for pipe OD.

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  • Model: EC-250
  • Shipping Weight: 1lbs
  • Manufactured by: TM Designworks

This product was added to our catalog on Thursday 17 December, 2009.

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