It is important to enjoy the inside of your 2014-2021 Tundra because you will be spending most of your time sitting in the cab. Improve your experience by adding a few of the interior upgrades available here at Stage 3. Floor liners, extra storage, audio upgrades, or seat covers can all improve your truck interior in no time. Make your Tundra your own with these interior upgrades. Toyota Tundra Fitments: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Toyota Tundra with 4.0L V6, 4.6L V8, and 5.7L V8 engines. Submodel Fitments: SR, SR5, Limited, TRD Pro, Platinum, 1794 Edition. Some exceptions apply, please see individual product pages for specific fitments.