I purchased the washers and roll pins from "Kompressed" about ten months ago. Let me first say that tearing deep enough to get out the torsen is by far the hardest part of this task on the S4. Once you get the torsen out, make sure to organize the parts in a way so the go in the same direction and location. Getting the old roll pins out is quite a pain, but patience is the key. When the torsen is back together with the new washers, clean it off so any shavings left over from the old roll pins are removed(trust me, there will be shavings.) Once everything is back together, make sure the planetary gears spin. Now for the test drive. I was lucky enough to have an open area to push the car to see how it works. My car was able to kick the rear end around quite easily when turning with moderate steering effort. The car finally feels like it wants to go where you aim it regardless of power. You can't tell any difference in a straight line. Overall, I would not recomend this to anyone who can't handle a clutch change. This is a task that can be screwed up if you are not mechanically capable or careful. This should not be concidered a cheap stasis torsen mod. While stasis does similar things to their torsens, they also offer these as rebuilt units not just modified. This mod is a winner in my book.
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Originally Posted by audidweeb
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