Yamaha Grizzly 550 Dual Exhaust System for 2009-2014 Models

SNAPSHOT: Up to 4 Horsepower Gain 3 ft-lbs. Torque Increase 103 dB Sound without the quiet core Exceptional weight reduction over the stock system Removable aluminum heat shield Turn down exhaust tip  Fits 2009-2014 Grizzly 550 models Available in brushed aluminum or black powder-coated finish Features a brushed billet for easy attachment to your machine Optional Add-Ons: EHS Fuel Controller Quiet Core Spark Arrestor Complete Repack Kit  Ceramic Coating BARKER'S ENGINEER COMMENTS:   "Being that we were so successful in creating horsepower on the Raptors, we were excited to see that Yamaha used the same motor in their Grizzly. The motor is set up slightly different for this sport/utility machine but it still loved the Barker's system on there. As you can see from the Dyno Charts, once you add the proper fuel required after installing the Barker's exhaust system, we achieved some pretty respectable numbers. As is the case with most of our exhaust systems, the fuel/air ratio will