Viper tuning specialist RSI Racing Solutions has revealed its first-ever aftermarket package for the SRT Viper and in so doing has unveiled the world's first ever twin-turbo gen-5 Viper. On E85 race gas, the RSI-tuned Viper churns out 1,500 horsepower courtesy of upgrades including Precision 72mm turbochargers, Tial Q blow-off valves and MV-R wastegates, custom front mount intercooler, RSI fuel system complete with custom billet triple pump hanger, billet fuel rails and 1,000cc fuel injectors.

It also boasts an RSI Street Series carbon triple disc clutch and Cosworth/Pectel engine management system amongst a host of other engine, drivetrain and tuning mods. Cosmetic touches are limited to a paint-matched engine bay, custom floor mats and RSI twin-turbo badges. The RS Twin Turbo race system is priced at $89,950, or for $44,950 Viper owners can opt for the 1,100hp package. Pictures courtesy of, and hat tip to, Pepper Yandell.