": If your goal is to increase your Targa LX's maximum speed from 35 to 45 MPH, what's the best solution? <p>: A BiTurbo muffler or a 70cc BORE kit?<p>I think you will need both, in addition to a smaller rear sprocket in order to reach 45 mph.<p>SteveM."
Re: BiTurbo Muffler OR BORE Kit?
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