Mating an expansion chamber to a stock header is fairly common with under-represented makes. There are several Batavi and Jawas running around with two-piece BiTurbos grafted onto their headers and I have a butchered Techno Estoril waiting to go on my Jawa 207. I'm sure the tiny headers are holding them back but it's certainly better than the stock wiffleball bat exhausts.
Re: Bi turbo and peugeot
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