The MT2 dog.bones and axels are thicker and I cannot remember if I had to replace the cups....
If it only has the 1.5 u don't need to upgrade, if you plan on running the 3.0 you may want to. Also the hardened diffs are a MUST in that case.
Never mind just noticed its the OS 15. Smaller axels will hold up fine with that engine.
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---------- Post added at 7:17 PM ---------- Previous post was at 7:06 PM ----------
OK sitting here thinking back and I'm 99% sure I replaced all the cups with the mt2 axels. I remember because I put in the hardened diff gears in the mt diff and they did not fit properly so I replaced the whole diff housing, and I ended up swapping it all out in one shot. Yep yep!
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