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...so who here has dyno'd an S2 intake on an S motor...
I've done the swap, but no dyno. I don't have a "before" number anyway, so I doubt it would even matter at this point.
All I can say is that subjectively, throttle response was noticeably improved. Power gains are probably fairly slight. The main reason I did it is that it's just a much simpler arrangement with fewer places to develop leaks. That loooooooong plastic gooseneck on the S intake and all the extra rubber connectors concerned me if I ever had to replace them. The S2 intake is simpler by far.
Yeah I kinda got into having some parts polished many years back now. Seems like in some countries it's viewed as cheap bling and I get that, but I still quite like the appearance. Hope the snazzy new intake will be a nice match.