WR250R WR250X Performance Exhaust Bundle
WR250R WR250X Performance Exhaust Bundle
WR250R WR250X Performance Exhaust Bundle
WR250R WR250X Performance Exhaust Bundle

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.

  • WR250R FMF Q4 Slip-On Muffler at Revzilla

  • WR250R FMF PowerCore4 Slip-On Muffler at Revzilla

  • WR250R FMF PowerBomb Header at Revzilla

  • WR250R FMF MegaBomb Header at Revzilla

  • Home > Dual Sport > Yamaha WR250X/R Parts > Performance Exhaust Bundle

    We've been sellling performance parts for the Yamaha WR250R/X for several years now and have learned what our customers want in a performance exhaust package to improve the bikes performance and make it run better. With this Performance Exhaust Bundle, we've combined several of the most popular performance products for the Yamaha WR250R and WR250X into a handy package deal.

    The package is based around the FMF PowerCore4 Hex or Q4 Hex Slip-On muffler, which have been one of the better selling mufflers for this bike over the years. Many customers choose to use their stock header pipe with the muffler, so this package does not include a header pipe and you will re-use your stock header. The package also includes an EFI (electronic fuel injection) Controller, which is a plug-n-play device that will help take advantage of your new performance exhaust system. Finally we've included the EXUP Emulator and AIS removal kit to finish out the package (details below).

    Fitment: 2008-2020 Yamaha WR250R / WR250X

    Sound: The FMF PowerCore4 Muffler is a bit louder than the FMF Q4 muffler, thanks to its less restrictive and shorter length muffler. If you want a quiet exhaust on your WRR, you'll want the FMF Q4 instead. The Q4 Muffler is the quietest aftermarket muffler available for the Yamaha WR250R. It is still louder than stock, but quieter than other aftermarket mufflers.

    Weight Savings:
    WR250R/X Stock Muffler w/ Heat Shield: 9.89 lbs
    WR250R/X Stock Header w/ Heat Shield: 1.98 lbs
    WR250R/X Stock EXUP motor and cables: 1.48 lbs
    WR250R/X Stock FULL SYSTEM: 13.35 lbs

    WR250R/X FMF Q4 Muffler: 5.68 lbs
    WR250R/X Stock Header w/ Heat Shield: 1.98 lbs
    WR250R/X FMF Q4/Megabomb FULL SYSTEM: 7.66 lbs



    One (1) WR250R WR250X FMF Q4 Slip-On Muffler:

    FMF Q4 Hex Slip-On Muffler:
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Removable USFS spark arrestor included
  • Pounds lighter than stock
  • Twin stage core design for lower sound output and extended life of packing material
  • Includes mid pipe insert if you want to use with the smaller stock header pipe
  • Max Sound output 96dB; most models below 93dB
  • Part #044437
  • Made in USA!

    One (1) EFI Controller:
    An EFI (Electronic Fuel Injection) Controller is HIGHLY recommended any time you install an aftermarket exhaust and/or air filter on your fuel injected bike, otherwise you will see little to no performance gains, and the bike may even run poorly. At this time, we offer two different EFI options, the EJK EFI Controller and the Dynojet PowerCommander V. Details below. Each are simple to install and plug into existing wiring using stock connectors.
  • EJK EFI Controller - Part #9310207 (click for more info)
  • Dynojet PowerCommander V - Part #22-016 (click for more info)
  • Choose which EFI Controller you want from the dropdown before adding to your cart

    One (1) 12oClockLabs EXUP Servo Emulator:
  • When you remove the OEM Yamaha WR250R/X exhaust, you will also be removing the EXUP cables and motor that are attached to the exhaust. This is a simple task, and involves un-plugging the EXUP Servo motor. 12oClockLabs offers an EXUP Servo Emulator which plugs right in so you're bikes computer won't realize you've removed anything and you won't get a light on your dash. This part is highly recommended anytime you remove the OEM exhaust.

    One (1) Graves Motorsports AIS Block Off Kit:
  • When installing an aftermarket exhaust on your WR250R/X, the AIS (Air Induction System) is no longer serving any purpose and will cause backfiring/popping on deceleration. Once you remove the AIS from the bike, this kit can be used to block off the port/hose on the bike.

  • Sound Demo Video:

    WR250R WR250X Performance Exhaust Bundle
    WR250R-PERF-EXHRetail Price: $689.99Our Price: $669.95
    Select Muffler: 
    Select EFI Controller: 

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