Yamaha YFZ 450 Full Single Exhaust System for Carb Models

Barker's Exhaust

$ 629.00

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  • 4.5 Horsepower gain
  • 3.4 .ft-.lbs Torque increase
  • 103 dB without the quiet core
  • Pulls harder into the turns
  • More pull up the face of jumps
  • Improved top end pull
  • Fits 2004 to 2009 models (carb systems)
  • Also fits newer carb models 2012+
  • Available in brushed aluminum, black powder coat, or blue powder coat can finish
  • Billet clamps offered in red, black, or blue
  • Optional Add Ons:  Quiet Core; Spark Arrestor; Ceramic Coating

Do you have a 2012 or newer carbureted YFZ 450? Our 2004 thru 2009 model exhaust listed here also fits the new carb'd models that Yamaha released starting in 2012.

Dyno Chart:

YFZ 450 Carb Dyno Chart Barker's


With it’s powerful 449cc 5-valve DOHC engine, excellent chassis design, and comfortable ride, the Yamaha YFZ 450 is certainly an impressive machine. Whether you are taking on the trails or competing to win at the track, the YFZ 450 is ready, and willing to show you a good time! Though the stock machine is suitable for trail riding, only minimal modifications are necessary to make the YFZ 450 ready for competition. And thanks to Yamaha’s impressive design, the YFZ 450 accepts these modifications incredibly well! 


When you are ready to take your Yamaha YFZ 450 to the next level on the trail or at the track, install a Barkers Full Single Exhaust System! Take down the competition with extra horsepower and increased performance throughout the entire power-curve! Eliminate that sudden fall-off your machine experiences near redline and gain the power you need in over-rev, when you install a Barkers Full Single Exhaust System. not only does this system weigh less than the stock system, it sounds exceptionally better. Achieve that deep, throaty Barkers sound you’ve been missing and take your machine to the next level with a Barkers Full Single Exhaust System. 


Every bit of Barkers Exhaust Systems are made from premium materials that are skillfully hand-welded right here in the USA! Utilizing the hard work of human hands, each component that goes into a Barkers Exhaust System is produced and manufactured one-by-one by skilled craftsman. The head pipe portion of your new system is made of 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. You might also consider powder-coating your can in a black or blue finish. For added character, select which color Barkers tag you would like on your new system. Tag color options include: black, blue, red or yellow. To harness the Full Single Exhaust System to your YFZ 450 you can choose either black, blue or red billet clamps. 


Other options for this system include a Barkers Spark Arrestor and Barkers Quiet Core Insert. A Barkers Spark Arrestor will eliminate any flammable debris from exiting the exhaust and help to keep our trails safe! A Barkers Quiet Core Insert will reduce sound by up to 5 dB and is perfect when riding in those sound sensitive areas. Heck, with only a loss of up to 1.5 horsepower, you may want to ride with them in all of the time! 


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.


Dirt Trax installed the Barker's YFZ 450 exhaust system, see their opinion in the video here: