The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is built from 6061 T-6 aluminum alloy to ensure the lightest design possible. Every IS system is certified or pending by the California Air Resource Board and backed by Injen Technology?s limited lifetime warranty.
| Year | Make | Model | Submodel | Engine |
|---|
| 1991-1993 | Acura | Legend | Base | 3.2L 3206CC V6 GAS SOHC Naturally Aspirated |
| 1994-1995 | Acura | Legend | GS | 3.2L 3206CC V6 GAS SOHC Naturally Aspirated |
| 1991-1995 | Acura | Legend | L | 3.2L 3206CC V6 GAS SOHC Naturally Aspirated |
| 1991-1995 | Acura | Legend | LS | 3.2L 3206CC V6 GAS SOHC Naturally Aspirated |
| 1995 | Acura | Legend | SE | 3.2L 3206CC V6 GAS SOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | 1794 Edition | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | Limited | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | Platinum | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | SR | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | SR5 | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | Trail | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |
| 2021 | Toyota | Tundra | TRD Pro | 5.7L 5663CC 345Cu. In. V8 GAS DOHC Naturally Aspirated |