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Discussion Starter · #1 ·
I have a 2020 yfz 450r with a 98 mil big bore with 14.1 cp piston, rp throttle body big injector, ported and polished head with plus 1 stainless steel valves, Fci intake and a rp outlaw exhaust and a power commander 5. Right now it have a stage 3 hot cam but I want to change it to something that gon give me more power
 
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