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FMF - Powercore 4 Full Exhaust System for CRF70 and XR70

Vital Information
Part No W-79-2617
Stock Level 1 Left

FMF Powercore 4 muffler with stainless steel header system!

Key Features:

  • Good with stock bore, 88cc and up to 125cc aftermarket engines
  • The latest version of the Powercore 4 design incorporates a hi-flow core which has more surface area to absorb more sound while flowing more exhaust


  • CRF70 - 2004
  • XR70 - 2000-2003

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We have all necessary support parts on hand.

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