Hey @Chris c
welcome to the forum! Do you currently have your Tundra?
It varies by truck but the general pro of doing is that you can get a little bit of a power boost because you're adding more cold air to the engine. Some say you can get a bit better fuel economy but that wouldn't be the reason to add a cold air intake system.
Here's some cold air options for you to take a look at.
Shop 2022-2023 Toyota Tundra Cold Air Intakes. Hand-picked by experts! Pay later or over time with Affirm. **Free Shipping on Orders Over $75**
Fitment Information Toyota Tundra 3.5L V6 (2022, 2023) Specs & Features Pro DRY S Air Filter (Dry) - Part # 50-70100D Pro 5R Filter (Oiled) - Part # 50-70100R CARB Exempt: No - Does not ship to California High Quality One-Piece Roto-Molded Sealed Housing with Auxiliary Air Scoop CAD-Designed...