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Message: <blockquote data-quote="michael" data-source="post: 2631074" data-attributes="member: 207008"><p>I need a broader powerband. I have a procircuit pipe/silencer combo. but i want to get a 144 big bore kit and get it port polished. Will this be a big power gain. Im racing 250 four strokes and my bike is just not cutting it. Will this give me the power to pass a 250. also are there any other cheap power adders that i could get, Im not looking to spend over $1000 all together. Thanks <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile    :)"  data-smilie="1"data-shortname=":)" /></p></blockquote><p></p>