Show #193 - 2021 Kawasaki KX450 Vs. Yamaha YZ450F Mod Shootout
Rocky Mountain ATV/MC Keefer Tested · Kris Keefer
August 28, 202053m 47s
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Show Notes
Have you ever wondered if an aftermarket ECU and muffler really helps a machine? What about if you stick that same aftermarket ECU and aftermarket muffler on two competing shootout machines, would that change the results in a shootout? Let Keefer walk you through the ins and outs of this ECU/Muffler/Fuel test and see if it could be the right mod for your new green or blue machine.