Why so expensive? Supply and demand! Guess those axles just break too easy and the supply is drying up?
Seems like the consensus at this forum was that a 3.4l will need the more robust "S" drivetrain and brakes, especially when racing.
I don't recall reading whether the 5 speed tranny was really up to the task either when increasing the HP.
Maybe the expensive drive shafts are just the reason you need to upgrade to "S" parts. 
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"It broke because it wants to be Upgraded "
2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)
Last edited by jb92563; 08-28-2014 at 12:41 PM.
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