Yamaha YFZ450 (Carb) Full Single Exhaust System for 2004-2013 Models

SNAPSHOT: 4.5 Horsepower Gain 3.4 FT-LBS Torque Increase 103 dB without the quiet core Pulls harder into the turns Improved top-end pull Fits 2004-2013 carburetor models Available in brushed aluminum and black powder-coated can finish Billet exhaust clamps are offered in black, red, or blue Optional add-ons:  Quiet Core; Spark Arrestor; Ceramic Coating   Dyno Chart: THE FULL STORY: With its 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,