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Old Jan 06, 2005, 11:18 AM
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BAKO
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Tbilisi, Georgia
Joined Jul 2004
772 Posts
btw tuned pipes, like resonator tubes give u extra 10-15% of power, depending on engine. it works better on 2stoke engines, where rpm is higher, and muffler isn't free flow, like 4 stokes have.
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