Intercooler Reservoir Relocation Kit

The STILLEN Intercooler Reservoir Relocation Kit is engineered to optimize the cooling performance of the 2022-2026 Toyota Tundra and Sequoia models featuring the 3.4L Twin-Turbo V6 and the i-FORCE MAX Hybrid System. It directly tackles the factory design flaw where the intercooler reservoir and radiator reservoir share a combined wall, leading to heat transfer from the radiator into the intercooler system. This heat preloads the intercooler fluid, negatively impacting intake air temperatures and prompting the ECU to adjust engine timing and fuel. By relocating the intercooler reservoir, this kit creates a dedicated path for thermal management, separating it from the radiator's heat. The result is drastically improved cooling consistency and faster recovery times. Real-world testing demonstrated that the STILLEN system achieved operating temperatures in 2 minutes compared to the OEM system, which reportedly never cooled down after 8 minutes. The STILLEN setup reached lower peak temperatures and recovered over four times faster, leading to more stable Intake Air Temperatures (IATs) and consistent engine output. Installation is designed to be quick, estimated at 30-60 minutes with basic tools, and integrates cleanly into the engine bay near the passenger side fender well, offering an OEM-style fit and finish. The kit requires Toyota factory coolant for optimal performance and line integrity. It is explicitly compatible with both OEM and STILLEN intake systems. However, compatibility with other aftermarket intake systems is not guaranteed, as their varying footprints may interfere with the installation.