| performance parts and race parts. race parts are in NO WAY street legal, specifically designed for race applications, and usually have some sort of race body endorsement. 9 times out of 10, they're a bit more $$$. Performance parts are designed to perform somewhat above OEM specs. This is a whole other ball game. But again, it's only metal. Metal WILL fatigue, crack and break. Why not just shell out for a titanium driveshaft and be done with it? Yea it's expensive, but you'll spend more on replacing your driveshafts every so often. This way, you shell out once and that's it.

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