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This product has been discontinued

This product is no Longer Available

FMF - Powercore 4 Hex Slip-On Muffler (Yamaha)

Product Code: fmf-powercore-4-hex-slip-on-muffler-yamaha

Unfortunately this product has been discontinued by the manufacturer and is no longer available.

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FMF - Powercore 4 Hex Yamaha Slip-On

Grab yourself the a brand new Powercore 4 Hex slip on exhaust today and unleash the true power of your Yamaha! These FMF Powercore4 Hex slip-ons are one of the most affordable ways to increase horsepower, torque, and give your bike a sick new look all at once. The installation is quick and simple, and the end result will give you a night and day difference! FMF designed these exhaust slip-ons with inspriation from their best race exhausts so riders of all skill levels are able to upgrade their dirtbikes without breaking the bank.


This FMF powercore 4 Hex Exhaust includes a removable spark arrestor so you can ride on the track or in the mountains without worry.

Powercore 4 Hex Slip-On Features:

  • Notice: Closed Course Use Only
  • Configuration: Single
  • Const: Aluminum
  • Finish: Natural
  • Midpipe: Stainless Steel
  • Endcap: Stainless Steel
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: Quiet Insert (sold separately)