best mods for 300ex?

[d3von300ex]

im 14 and 6ft tall i used to ride a lt-f160 but did a lot of mods to it but now i have a 2003 trx300ex and i might start racing next year, and i would like to know what some of the best mods would be k thnx.

[d3von300ex]

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[bwamos]

Beyond the normal pipe & filter setup, I'd go with suspension upgrades first. All the poser in the world does no good if you can utilize it to its full potential.