Reviews & Test Drives
Replacing the Boxster’s Factory Navigation with a Display Audio｜DMH-SZ700 Review
Dissatisfaction with the Factory Navigation The Japanese-spec 981 and early 991 models come equipped with a factory Clarion navigation system. Originally, the domestic models come with Porsche’s own navigation system called PCM, similar to the late 991 and 718 models, but for some reason, the Japanese-spec cars have this different setup. This has some surprisingly significant drawbacks. First, the design feels like an aftermarket add-on. More importantly, while the domestic PCM systems output digital audio,...