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THe supers (TPC) are not being made for a 2.5 because there are not enough 12 yr old, 2,5 Boxsters left around to make it profitible. They are apparently still made for the later boxsters and Caymans.
The turbos can probably pack some more punch because they are smaller and can be tucked away easier with larger capacity. The supercharger is larger and limited in output because it can only be so big and still fit in very limited space, and there is only one real place it can go.
I don’t know about the durability of the turbo chargers but the superchargers are quite reliable. They are the same ones used as OEM equipment in the little Mercedes “Kompressor”, some ‘80s Buicks, among others. It is made by the most established supercharger company around (forget who) and is good for about 100K before it needs a $35 rebuild kit installed. Turbos, probably less life and more expensive to repair.
The downside to the super is it is a royal bit_h to install in the box. The turbo may be easier. Neither will pass any stringent smog inspection that I know of without some payola.
PK
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