Cartuning tested a prototype of their Air-to-Air Intercooler Kit on a gtp with their stage 1 kit, exhaust modds,1.90:1 ratio rocker arms, Limited Slip Differential, slicks, and fenderwell air induction system, they were able to run 11.94@117 quarter mile with a 260 lb driver

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Cartuning Performance 3800 turbo kit (http://www.3800performance.com/ct_turbo_kit_pics.htm)