Re: derestricting stock a55 exhaust?

Probably Fred /
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Just pitch it and get a cheep techno bullet or biturbo. A two stroke engine needs back pressure, de restricting it’s just stupid you’ll lose low-end to maybe gain a little bit on the top if any at all who knows,

2 stroke Engine needs a pipe with a expansion chamber, no matter what you do with the junk stock pipe it never really be anything but slow

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