TECHART Magnum Porsche Cayenne The new TECHART Magnum Based on the Latest Porsche Cayenne With more than 500 produced units the Magnum is the most successful model in the 20-year history of TECHART Automobildesign. At the Frankfurt International Auto Show IAA 2007 the new TECHART Magnum based on the latest Porsche Cayenne celebrates its world debut. in Public bookmarkswith autoautomotivecarscayennecustommagnumporschetecharttuning