PCCB ceramic brake rotors have factory-stamped minimum thicknesses (front: 33.7mm min on 2005 spec; varies by model year) — measurable wear life is concrete and disclosable. Full Paint Protection Film (PPF) is widely applied and well-regarded for preserving condition without visually intruding ('it took me a minute to even realize it had ppf'). …
PCCB and PPF — preservation economics
Porsche 911 (991) · mechanical