More air = more power! The incredible 997.2 Porsche turbo received a completely redesigned engine with many substantial upgrades. This latest turbo is the most powerful, revolutionary and capable Porsche turbo to ever come out of stuttgart. The 997.2 Porsche turbo may have been labeled a facelift but the engine is another major evolutionary leap forward in Porsche's coveted turbo history. This 7th generation turbo engine, titled the 9a1, delivers 500 hp (530 hp in s models) and once again, raises the performance bar in the sports car world. The new 997.2 ipd turbo plenum was considerably more difficult to design and develop than previous plenums. The good news is that all these efforts have yielded a much easi...(choose a part on the right to read more)