I've upgraded for this very reason. Just installed so can't give any opinions other than it fits and looks great. I also recommend getting an Oil catch can. After I took off my charge pipe, there was a significant amount of oil in the charge pipe. The MAF was wet!
Reason's for changing before failure:
1. DD that I take up to the mountains on a routine basis. Don't want to have a failure when least expected.
2. Also have the JB4 stage 1 coming and don't want to deal with a failure after install.
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