Debut of the Underground Racing Stage 3 twin turbo Audi R8 V10Underground Racing's Tuner has announced that UGR is wrapping up the first V10 Twin Turbo R8. They are expecting 1000 whp on pump gas which is just stupid power, stupid good. This is the Stage 3 and specifications will be out soon. This being Stage 3 and 1000 whp on pump this means built motor. Pricing should be inline with the the Gallardo V10 built motor setups. Tuning is done by John Reed through a Motec standalone.