yfz450r project Archives

HMF YFZ450R Cross-country Racer Project Test Review

March 9, 2024

Known for making power, HMF has become much more than an exhaust company. Along with offering a broad line of the most customizable exhausts on the market with fuel tuning solutions to match, HMF offers a line of hard parts for popular sport ATVs improving appearance, protection, functionality and control. They asked if we would be interested in showcasing their full line of American made ATV products for the Yamaha

Yamaha YFZ450R Big 3 Engine Upgrades, Dasa Exhaust, Fuel Customs Intake, and PEP Stock ECU Reflash Test:

November 17, 2022

More power, Broader Power Curve, and Better Throttle Response for the YFZ450R! Most sport ATVs ever produced enjoy significant horsepower gains by addressing the Big-3 engine upgrades. The Big-3 refers to utilizing a freer flowing exhaust, air intake system, and the necessary jetting or fuel mapping changes to match the increased airflow. More stringent EPA restrictions have made things a bit more complicated with the introduction of an Air Induction