The 993 is the last air-cooled 911 Porsche ever made — and that's exactly why building one right matters more than ever. These cars aren't getting cheaper. Every mod you bolt on either adds to the legacy or takes away from it. The flat-six in these things already sounds incredible, but there's a right order to unlocking what's hiding in there — and most people get it backwards. Here's what we broke down in this guide: → Why exhaust comes before any tune (and the specific reason most 993 owners leave power on the table) → The RS-spec parts that transform how the car drives, not just how it looks → Wheel fitment that respects the fenders without rubbing on every dip → A build philosophy that keeps the car appreciating instead of becoming a parts-bin mess The 993 generation sits at this perfect intersection — analog enough to feel raw, refined enough to daily. But the window to build one affordably is closing fast. If you're sitting on a Carrera and wondering what to do first, this is...