[der Geist]

I talked to the guys at TPC once and one of them told me that the 2.5 kit used a couple of different tubes. They said they could fabricate a 2.7 kit but it would take quite a bit of time. Apparently the 2.7 kit is something they made in a very limited production run. Maybe if there was enough interest they would do another run. I think at the time that they were making kits for the Boxster the majority of people interested owned cars with 2.5 liter motors. Other than the 3 (I think) tubes that were different I think the kit is identical. I am pretty sure that someone who knows their way around superchargers could make it work. The 2.5's compression ratio is 11.0:1 vs the 2.7's 11.3:1 according to the many sources on the internet.