Quote:
Originally Posted by OICU812
Threads are there with quoted emails from Subaru themselves that the pulleys being dampened/non dampened makes no diff in regards to (worry). So not just from vendors as you state.
In regards to lighter driveshafts. I've done this and for "feel" one piece on this car is a lot nicer feeling, no clunkyness feel and yes a feel of being more peppy. Much more on a dyno? Don't know don't care either. I will get a one piece again soon and in cf.
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Haven't seen anything from Subaru themselves...
1-piece driveshaft is only really an issue at high speeds (then again, having a driveshaft failure at high speeds could be...bad). It's a pretty easy thing to calculate (tons of calculators online for it), but I've seen what failures do on Supras (which run a 3.73 or 3.93 final drive usually compared to this car's IIRC 4.10). Stock power wouldn't be an issue as I don't think you'd get going fast enough, but if you're super/turbocharged it could be an issue to watch out for.