Q: Do I need the rest of the aero kit for the diffuser to work?
No, it works well on its own. It was engineered to function as part of the Model Y Performance aero package, where the Efficiency Trunk Spoiler complements its pressure recovery and the Rear Fins keep side flow attached longer. Run it solo for a sharper rear and a functional gain, or add the other pieces later as your build evolves.
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INSTALLATION guide
For the do it yourselfer or trained mechanic, our in-depth installation guides provide step by step detailed instructions on fitting your Tesla with Unplugged Performance Parts.
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