When did Engine Masters Season 6 Episode 20 air?
Engine Masters Season 6 Episode 20 aired on October 29, 2021.

We've done air filter shootouts before, but none like this. On this episode of Engine Masters, it's all about finding the least restrictive way to route a cold air system. We're here to find out how much the size of that filter, as well as the length, path and diameter of the tubing, affects your performance.
Direct answers for episode-level questions and details.
Engine Masters Season 6 Episode 20 aired on October 29, 2021.
This episode runs for approximately 23 minutes.
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