Tom Nelson on Instagram: "This is something I see all the time, and I wanted to point it out because a lot of people don’t realize how much power they’re leaving on the table. So many builds are running a 103mm or 112mm throttle body, then simply coupling it with a silicone connector and stepping straight into a 4-inch tube. The problem is, that setup creates a terrible airflow transition — and you’re losing a surprising amount of horsepower because of it. In this video, I’m going to show you th