So, has anyone have thier k03's modified with upgraded internals? larger shaft or different
#1
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impellars? Wondering if there's a way to make the k03's more reliable and get a little more performance from them at the same time.....not ready to go with ko4's just yet. Aren't there any aftermarket replacement for for our poor little k03's?
#3
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it is much cheaper than K04's.<ul><li><a href="https://forums.audiworld.com/s4/msgs/1366706.phtml">https://forums.audiworld.com/s4/msgs/1366706.phtml</a</li></ul>