It's time to celebrate our podcast's fourth anniversary, so let's do it with one of my favorite in-car audio captures, taken in 2018 at Laguna Seca with Zak Brown in his 1988 Audi 200 Quattro Turbo SCCA Trans Am machine.

Its 2.1-liter five-cylinder engine screams for our delight, and with two audio recorders running--one next to the turbo and wastegate, and the other next to the exhaust outlet--we get to hear everything that made this rally-bred beast an unstoppable force during its triumphant run to earn the 1988 Trans Am championship.

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