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Pax Racing "EVC" (EXHAUST VELOCITY CONTROLLER) is a progressively wound spring that will give your bike more mid-range power without taking away from your low-end or top-end power. Models Years GasGas MC65 2021+ Husqvarna TC65 2017+ KTM SX65 2009+
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🇺🇸 Ship from USA · On Agora since 2026
$49.95