I didn't say twins are cheaper. Nothing is cheaper about a twin setup. I'm referring to your graph. It's a nice comparison, but missing key details. This is also GTM's entry level twin turbo option which doesn't have options to grow like their GT28RS kit was designed for.
The twin scroll setup Sasha designed does a really good job mitigating traditional single mid mount turbo deficiencies. I think what he has done is fantastic. I'm not taking anything away from him.
All I'm saying is if your going to compare a single turbo rated for 700bhp, then compare it to twins with the same rating. It will paint a more accurate picture if all facts are included. Also there must be wiggle room in the comparison because of different dyno's, different elevation, and different climate.
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Old Car:GTM TSC'd 550whp / 410lbft tq @ 11.88PSI
New Car: Under Construction
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