With 645 horsepower available from an 8.4-liter V-10, the fifth-generation Dodge Viper is hardly lacking in performance. However, with Cadillac’s new CTS-V packing similar heat and Dodge’s own Challenger and Charger SRT Hellcats each coming with 707 hp, we’d understand if there were any Viper owners looking for a power boost.
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Thankfully, there are companies out there offering just that. One is RSI Racing Solutions based in Plano, Texas. The company is offering a twin-turbocharger upgrade for the fifth-gen Viper that makes stupid power. On regular pump gas, RSI promises more than 1,000 hp at the wheels. Switch to racing fuel or E85 and you’re looking at more than 1,500 hp!
Understandably, the upgrades are extensive. They include a pair of Precision turbochargers, new breathing systems and fuel upgrades, a stroker kit, forged internals, Motec engine management, drivetrain mods and much, much more.
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Unsurprisingly, the price for all this performance will set you back more than the cost of a base Viper. RSI charges $89,950 for this particular package. But should your budget and power needs be a bit more conservative, RSI has a similar package that will cost you a more reasonable $44,950. This one relies mostly on bolt on parts but you still get more than 850 hp at the wheels on pump gas.
As you may have guessed, either path to building the performance of the Viper is definitely not for the fainthearted.
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