Subaru OEM Heater Hose Outlet WRX 2023-2025 MT | 72421VC030 Wheels K&N FIPK Intake Kits virtually

K&N FIPK Intake Kits virtually eliminate air path restriction by replacing the air filter and the entire air path to the engine

By restoring proper geometry

This version includes a 19" long resonator on the midpipe section of the system to further help quiet down the overall sound volume of the kit

1" (primary)

Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency

Subaru OEM Heater Hose Outlet WRX 2023-2025 MT | 72421VC030 Wheels K&N FIPK Intake Kits virtuallyProduct Fitment: 2023 2025 Subaru WRX with Manual Transmission A heater hose transfers heat from your engines cooling system to your vehicles heater. If the hose is leaking, ruptured, or appears to be on the verge of failure, it may need to be replaced. Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a