Browsing the "yfz450r exhaust test" Tag

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

November 17th, 2022 | by Joe

More power, Broader Power Curve, and Better Throttle Response for the YFZ450R!   Most sport ATVs ever produced enjoy significant