because the stock twins are only efficient up to a point. if you run them on too high boost for too long they start to die
the purpose for single turbo conversion is to get more hp at high end. by using only one turbo they can tune it better and put a bigger turbo t60^
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he's actually apart of to4r.com (the fastest supras in america). he's changed his setup since then. he used to have it w/ a full veilside kit..and painted black. rims werent powder coated and only had around 600 or so hp.Originally Posted by wrussi
thats cool but there are better ones go to t04r.com and look at all the fastest supras in the us! theres one a single turbo i making 900+rwhp with stock internals! 
