WR250R WR250X FMF Q4 Hex Slip-On Muffler
WR250R WR250X FMF Q4 Hex Slip-On Muffler

We no longer carry this product, but you can order it and other exhaust systems from one of our trusted partners/affiliates. If you make a purchase from them, we do receive a small portion of the sale, at no extra cost to you.

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  • Home > Dual Sport > Yamaha WR250X/R Parts > FMF Q4 Hex Slip-On Muffler

    The FMF Q4 exhaust is the most popular exhaust system for the Yamaha WR250R and WR250X. Run the Q4 Slip-On muffler with your stock header, or pair it with the FMF Powerbomb or MegaBomb header, to really wake up the engine on your bike, as well as give it a much better sound.

    With riding areas threatened more every day, FMF takes seriously the expression ‘less sound equals more ground’ and with the Q4, FMF has designed a slip-on exhaust that leads in high performance quiet technology. Using the best materials, the Q4 uses intricate chambers and baffles to improve flow while still dampening sound. Roost more, ride more and offend less with the FMF Q4!

    Fitment: 2008-2020 Yamaha WR250R / WR250X

    Standard Features:
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Use with stock or FMF header
  • Removable USFS spark arrestor included
  • Pounds lighter than stock
  • Twin stage core design for lower sound output and extended life of packing material
  • Max Sound output 96dB; most models below 93dB
  • Made in USA!

    Package Deals:
  • WR250R/X Performance Exhaust Bundle

  • Sound Demo Video:

    Older Video Reviews:

    WR250R WR250X FMF Q4 Hex Slip-On Muffler

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