i have a 1978 puch maxi luxe hi torque Take the baffel out of the end of the exhaust this will give you a little more power and it wont be to loud or you can buy a bi turbo i have one and my moped goes much faster another thing you could do is take your airfilter of and if there is a little white plastic tube on it rip it of and then put the air filter back on e-mail me if you need any parts
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