Your Audi A4 Performance Chip fine-tunes your individual engine needs. If you're cruising without your Audi A4 Performance Chip, you won't realize your engine's maximum power. Electrify your engine by liberating it from limitations pre-programmed for the average driver. You aren't an average driver, so don't settle for less than perfect performance.
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Year Range For Audi A4 Performance Chips & Programmers