We all know Underground Racing from their impressive Twin Turbo setup on some of the most exotic cars out there, V10 and V12 Lamborghini with power output way over the 1,000 hp mark are no exception when they leave the Underground Racing workshop. (lambocars.com)
Last year we installed a custom twin Garrett GTX28 turbo setup on this G35 and managed 583HP at the wheels through a fully built GTM automatic transmission (previous blog post here). (dynosty.com)
you'll then know what intakes and maybe turbo setups are available, and the existing wiring harnesses and Ecu setups that can be salvaged instead of painstakingly patched together and programmed from scratch. (mechanics.stackexchange.com)