I had a CV Joint explode on me, which is that part of the axles assembly that fails on most MR2s that drag race.
I did not opt for a whole upgraded axle.
I bought beefed up CV Joint piece from ATS Racing:
http://www.atsracing.net/
The CV innards they offer are thicker and made of chromoly steel.
I have 11 launches on them so far ... no problems.
