this is a somewhat naive question, but on an inline six cylinder engine, doesn't having 'true' dual exhausts (like the e36/8 M coupe) weigh more than a single exhaust that is larger diameter?
or is it basically a wash?
i get it on a v6, a v8 or the v10, but on an inline engine, it seems to me to be not as critical given the packaging of intake and exhaust flow on the engine.
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