Yamaha WR 450F Full Single Exhaust System for 2007-2011 Models

Barker's Exhaust

$ 589.00

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  • 10-25% Horsepower gain
  • Significant weight reduction over the stock system
  • 103 dB without quiet core
  • Fits 2006-2009 YZ 450R Models & 2007-2011 WR 450F Models
  • Removable aluminum heat shield
  • Eliminates sudden fall-off that afflicts most stock systems near redline
    • Available in brushed aluminum or black powder coat
    • Optional Add Ons:  Quiet Core; Spark Arrestor; Ceramic Coating



    The Yamaha WR 450F is a force to be reckoned with. With a mean 449cc 4-stroke DOHC engine, well balanced design, and incredible handling, the WR 450F delivers the right kind of power and experience under any riding conditions. And though these bad boys are both extremely competitive right out of the gate, they also accept modifications extremely well!


    Get that edge over the competition with a Barkers Full Single Exhaust System for your Yamaha WR 450F! Installing a Barkers Full Single Exhaust System on your machine will increase performance over the entire power curve and eliminate any sudden fall near redline. Achieve that deep, throaty Barkers sound you've been missing, and hit the trails like never before when you install a Barkers Full Single Exhaust System on your WR 450F!


    Every bit of Barkers Exhausts are made of premium materials that are hand-welded right here in the United States. While most other after-market exhaust systems are mass produced on automated assembly lines, Barkers exhaust systems are hand-welded one at a time by skilled craftsmen. This is one of the things that's makes Barker's different! Quality, durability and performance are never sacrificed! The head pipe potion of you new Full Single Exhaust System is made from 304 stainless steel that is Tig-welded with seam-reduced interior surfaces for smooth flow. The can is comprised of 6061 grade aircraft aluminum and comes standard in a brushed aluminum finish. For a more enhanced look for your new system you might also choose to have your can powder-coated in a black finish. Select which color Barkers tag you would like by choosing either black, blue, red or yellow. A strap kit is included with your purchase to harness your new system to your machine.


    Additional options one might consider are the Barkers Spark Arrestor and Quiet Core Insert. A Barkers Quiet Core Insert will reduce sound by up to 5 dB and is ideal for riding in those sound sensitive areas. Besides, with a loss of only .5 to 1.5 horsepower, you might just want to ride with them in all of the time! Help keep our trails safe with a Barkers Spark Arrestor. The Barkers Spark Arrestor will eliminate any flammable debris from escaping the exhaust.


    For serious riding, we highly recommend purchasing a fuel controller for your new system. A fuel controller will drastically improve the way your new exhaust system and Yamaha WR 450F performs. As your new system will require the added fuel flow, a fuel controller is essential for your machine to perform at it’s best. For optimal results, your dealer or a skilled technician should program the fuel controller prior to installation. If you are interested in learning more about why you should purchase a fuel controller, please feel free to call us! We promise you will talk to a real person who knows all about it!


    At Barkers, we have an extreme amount of dedication and respect for the off-road lifestyle. And we understand that owning and maintaining a performance vehicle is no joke. That is why you can expect only the best in Barkers craftsmanship and design. All Barker’s exhaust systems carry a limited one-year warranty against defects in workmanship and/or materials. See Barkers Terms & Conditions.


    Suggested add-ons: Quiet Core Insert; Spark Arrestor