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2020 Prowler pro engine air flow and exhaust upgrades

6.3K views 5 replies 5 participants last post by  EastCoastWest  
I am having the same issue. Just bought mine and it struggles going up hills with 4 people, can't break 20 mph with a slight incline. Speewerx has a clutch kit that says better acceleration, but it is not rated for high altitude, and I don't know if that would help still or not. Any other ideas?