Rain guards are a pretty cheap and affordable mod for the Tacoma! Pretty quick installation as well. : r/ToyotaTacoma
WeatherTech Rear Side Window Deflector Channel Clip: Installation - YouTube
Amazon.com: OMAC Rain Guards for RAM Promaster 2014-2023, Side Window Wind Deflector, Vent Visor, Sun Shade, Acrylic, 2 Pieces, Smoke Black : Automotive
Installed the Rain Guards. These are the best ones I could find after my research. So far impressed, the install went well with some minor adjustments needed. : r/ToyotaTacoma