TUNED

The World’s Fastest Lotus? – TUNED

Frank Profera has spent six years making his Lotus go faster, stop shorter, and corner harder. Though it only has to move around 2150 lbs, Frank’s Lotus mak…

The 600 HP APR Stage 3 Audi TTRS – TUNED

Alabama is the last place you’d expect to find one of the world’s largest tuner companies for German cars, but here, at this facility, APR provides hardware and software to thousands of Audi and VW customers every month. Matt helps… Continue reading

The 700 HP RennTech CLS63 AMG – TUNED

Hartmut Feyhl left AMG after 15 years to start his own tuning company, RennTech, which is now one of the most respected AMG tuners in the world. His products range from simple software upgrades to full racing builds based on… Continue reading

Get the book now