Spec Boxster T4
#39392 from Lynne Griffiths · Not recommended · Minutes (2025-12 Fastrack)
We appreciate your perspective and feedback. The Mustang in question has been changed. The T4 SPB spec line is very true to the
PCA spec series. Comparing SPB and T4 results shows that the classes are very similar. In fact, the SPB spec line may have an
advantage at many tracks.