Quote:
Originally Posted by DoomsdayJesus
You're probably not going to get lighter wheels from a factory on a car at this price point. If you saw what Enkei/oz/bbs do when manufacturing theirs, you'd know why they cost what they do. It's a much more time-intensive process that's not suited well to mass production on Subaru/Toyota's level, which is why you usually only see lightweight performance oriented wheels on much more expensive cars produced in low-volume. Not on the same level of difficulty as something like carbon fiber/composite brake discs, but same idea.
The stock wheels are designed for minimal machining, cost, and production time.
The single exit exhaust would be nice, and far more efficient, but that's dictated by market studies and focus groups saying people want dual exit exhausts even when they're entirely unnecessary on a 2.0L 4-banger.
I would have liked to see them save some weight on rotational mass like the driveshaft and elsewhere as well. For a lightweight car the sound tube was just pointless, I'm glad I took it out.
There's an awesome weight thread somewhere, where pretty much everything unnecessary or replaceable stock parts was weighed and tallied. If you want too cut weight, start there. It's not hard to cut a lot without buying anything, and without spending a lot either.
Once you get into lighter weight performance parts your wallet is going to take a hit unless you're replacing something that already broke.
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Stock wheels are made by Enkei already (well, the STI wheels are... I bet the normal ones are too as Enkei is an OEM supplier).
Driveshaft is what it needs to be for multiple reasons that I'm really not in the mood to get into. It's not a great place to cut weight.
Cast/forged aluminum control arms would have probably cut weight quite a bit too, but it depends on the type of steel they used on the factory parts.
I'm sure some of the FI guys wish they added some weight in the transmission and gave us an overall stronger trans...