If your a fan of the Viper, you know who Hennessey Performance is, they have available a Jeep wrangler 2012-2013 supercharger kit. From the looks it appears to be similar to the RIPP setup, but Hennessey is claiming 450 HP at 5200 RPM. Anyway here is the link if anyone is interested.

http://www.hennesseyperformance.com/...r-hpe4501.html