Underground Racing has made a name for itself by providing some of the most amazing tuning projects for a number of sports cars. Not only do these packages improve on the base product, but they take it to the extremes in the most fantastic way possible. One example of their work is the Gallardo TT, which comes in three different engine upgrades with power ranging from 650 WHP to 1250 WHP.

Then there’s the other tuning company with similar skills as that of Underground Racing. AMS Performance has grown keen of the Nissan GT-R (who wouldn’t?) and their packages for Godzilla tend to be absolutely breathtaking. Their most notable work is the impressive Alpha 12 package that delivers an impressive 1,318 HP.[...]