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Graves Motorsports Works ADSD Stainless Full Exhaust for WR250R/X 08-11

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    Product ID: #43421

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    Product Information

    Graves Motorsports Works ADSD Stainless Full Exhaust for WR250R/X 08-11

    *Graves Motorsports full exhaust system for the 2008 Yamaha WR250R/X utilizing our proprietary ADSD technology. Up to a 25% gain in horsepower is achieved while eliminating weight. This system features all stainless steel construction with a carbon fiber silencer. 95dB @ 5000 RPM.

    *The ADSD is a targeted approach to the perpetual compromise between horsepower and sound level while at the same time improving torque, fuel efficiency and throttle response. And unlike currently available exhausts, the ADSD system accomplishes all these benefits simultaneously, throughout the entire usable RPM range.

    *Graves began development on the ADSD system due to increasingly strict sound regulations for competition world-wide. The goal was to exceed the exceptional level of quality and performance of previous generations of Graves Motorsports exhaust systems while complying with all regulatory bodies in regards to decibel levels.

    *Graves is proud to announce that those goals have been met and surpassed. The average ADSD™ sound reduction over a conventional-style exhaust is 2.5db, while maintaining horsepower increases of 12-20%. The secret is in the two-chambered header pipe, specifically tuned to divert returning exhaust pulses, avoiding power-robbing turbulence near the exhaust port and reducing sonic amplification. No other system can give you the same performance and meet these goals.

    *Graves Motorsports has kept this technology solely for the use of their championship winning race-team while traversing an in-depth patent application process, but is now able to offer this exciting product to the general public. Graves brings you the first of many new systems utilizing this technology.

    *This system has been extensively tested by the Graves Factory Supermoto Team and was used by Brandon Currie to sweep the 2008 AMA Supermoto Lites Championship and on Mark Burkhart’s 2008 Moto X Games race winning machine.
    • Product ID: 43421
    • Manufacturer:
      Graves Motorsports (learn more)
    • Manufacturer Part#: EXY-08WR2-FSCW
    • Fits (click your bike to view all items for it):
      • Yamaha WR250R 2008
      • Yamaha WR250R 2009
      • Yamaha WR250R 2010
      • Yamaha WR250R 2011
      • Yamaha WR250X 2008
      • Yamaha WR250X 2009
      • Yamaha WR250X 2010
      • Yamaha WR250X 2011
    • Condition: New, unless otherwise noted.
    • is an authorized Graves Motorsports dealer
    • Legal only for closed-course competition racing use. Learn more

    Learn more about Graves Motorsports

    Graves Motorsports, California, USA
    Founded in 1990 by Chuck Graves, Graves Motorsports has become synonymous with real world, race technology available for the everyday performance enthusiast and privateer racer. Graves runs many top race teams and is well known in the aftermarket arena for their exhausts, fender eliminators and special race parts. With research and development being conducted under the grueling conditions of the race track, it's no wonder why Graves aftermarket accessories live up to the racing pedigree started decades ago. Fast is as fast does.

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