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The problem with "pulse tuned" anything is that they're tuned for a certain RPM/flow range, and it takes compromise to make anything streetable (especially if you're concerned about spooling early). An short length, equal runner manifold is considered a good trade off between top end flow and spool, but yet some of the highest HP supras run 'log' style manifolds... doesn't make any sense on paper, but they swear it spools the big turbos faster. I guess my point is that I follow those who've been successful in building cars crazier than mine, and I don't know of anyone that has gotten the fantastic results you'd expect from a twin scroll turbo/tuned manifold setup. I know Bill @ Dent Sport Garage has a special manifold for his SR, so I'd email him and Full Race and see what they think. Just know that any product coming from either of them is going to cost a kidney or two.
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