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Yamaha WR250X/R Parts > Graves Motorsports Works System
We've created this Graves Motorsports Works Performance Package for the WR250R / WR250X to make it easy to get everything you need when replacing the stock exhaust on your bike. The package is based around the Graves Motorsports Works Full Exhaust system (details below). Additional options for the package include 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 you can also choose to add an EXUP Emulator and AIS removal kit to the package (details below).
Graves Motorsports Yamaha WR250R / WR250X WORKS Exhaust System features Graves proprietary ADSD exhaust technology. Constructed from Stainless Steel with Carbon Silencer and carbon end cap. This system increases horsepower, torque and throttle response. Up to a 20% gain in horsepower is achieved on your Yamaha WR250 / WR250X while eliminating weight! 95dB @ 5000 RPM.
Fitment: 2008-2019 Yamaha WR250R / WR250X
PACKAGE INCLUDES THE FOLLOWING...
One (1) WR250R WR250X Graves Motorsports Works Exhaust System (Muffler and Header):
Carbon Silencer and carbon end cap
features Graves Motorsports proprietary ADSD exhaust technology
Big Weight savings compared to OEM exhaust
OPTIONAL PARTS THAT CAN BE ADDED TO THE PACKAGE INCLUDE...
** OPTIONAL: EFI Controller (adds $225 to package price):
An EFI (Electronic Fuel Injection) Controller, like the one from EJK (ElectronicJetKit.com), 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.
Pre-programmed specifically for the Yamaha WR250R/X with Stage 1 mods
Simple install. Plugs into existing wiring using the stock connectors
Unlike most other fuel-injection programmers, this one is load-sensitive
Additional tuning can be done and no laptop or software is required
Your choice of EJK brand or FMF brand (they both work identically)
** OPTIONAL: EXUP Servo Emulator (adds $55 to package price):
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. This optional part is highly recommended anytime you remove the OEM exhaust. Choose the option below if you want us to include it as part of the package.
** OPTIONAL: AIS Block Off Kit (adds $20 to package price):
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.
In Stock - Usually leaves our warehouse in 1-2 business days
NOTE: This item cannot be shipped to California.
NOTE: To see configured price for the package, choose options below and click "ADD TO CART"...
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