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      06-07-2011, 05:48 PM   #32
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Drives: 2006 M Roadster
Join Date: Mar 2011
Location: CA

iTrader: (2)

If you really want to read the STI threads: Thread 1, Thread 2.

After reading first thread entirely, and second thread half way here's the short version: Car feels more alive, clutch engagement (shifting) is smoother, dyno 1, dyno 2 show about 5-10hp/tq increase (more on the second vehicle which is modded). Some people had issues with vibration, turned out to be a difference in driveshaft components for 04-05 cars; all the issues were worked through with actp and I think everyone ended up happy, one guy that wasn't happy turns out his diff was out of alignment.

Here are results on a Z28.
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