Perrin Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2015-2021 STI YMM_1999_Forester Professional Installation: Recommended for best

Professional Installation: Recommended for best fitment and torque accuracy

the RalliTEK system enhances your Forester’s off-road readiness

Constructed from high-quality fiberglass and polymer materials

Modular design allows compatibility with Company23 Bench Mount

Perrin Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2015-2021 STI YMM_1999_Forester Professional Installation: Recommended for bestPerrin Front Mount Intercooler Boost Tubes Neon Yellow w Black Silicone Couplers 2015 2021 STI 2. 25" Aluminum Tubing Boost Tube Upgrade Overview The Perrin Front Mount Intercooler Boost Tubes are a precision engineered upgrade designed specifically for the 2015 2021 Subaru WRX STI. These boost tubes replace the factory piping with mandrel bent aluminum tubing, enhancing airflow efficiency and durability. Ideal for STI owners seeking a reliable and