Gemballa, we believe everybody reading our page knows what they are doing. For those who don’t, we can tell you they are tuning specialists for Porsche. For example they’ve created the GT2 Avalanche 600 and GTR 700 Tornado. Now someting nice appeared on the net, a by Gemballa made booklet telling you in 126 pages what their tuning is all about! We’d say ‘time to read it and enjoy the pictures’!