Prindone Posted August 3, 2017 Share Posted August 3, 2017 Hi peps, some owners did upgrade a GT4 with differents brakes, exhaust, IPD plenum, else......? i found nowhere on the forum some thread about it. maybe we can talk about it here and give some differents returns on materiels and brands used? thx 1 Link to comment Share on other sites More sharing options...
PorscheGT4 Posted December 8, 2017 Share Posted December 8, 2017 not sure the brakes need upgrading bar if you want a track pad. the engine can goto 435BHP so that has some scope, the most important mod is geo which means fitting some adjustable rear toe links. only engine mods worth going for are Jens in Belgium , no one else is doing anything worth talking about. Link to comment Share on other sites More sharing options...
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