[Hsportrax03]

Hey guys im new to this forum and i would like to know, i just bought a honda sportrax 400ex 2003. I dont do track riding i only do offroad trail lots of mud and stuff. My question is what are the updates i should make and all. Thanks in advance !


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[tex4580]

Definitely put a hmf competition series full system on it ,its loud but the power increase is HUGE. I have it on mine and as soon as its installed it feels like a different quad even without rejetting. Also look into the k&n airbox lid its expensive but gives u added power without the risks of removing your airbox lid.