Perrin Nylon Coupler for 2.4in Turbo Inlet Hose 2002-2014 Subaru WRX / 2004-2021 STI | X-PSP-INT-404 Wheel Bolt Pattern_5x105 Our air filters utilize a

Our air filters utilize a precision four-step process to virtually eliminate rubber seepage and maximize airflow

Each package contains 5 studs: Enough for one wheel

grip can be biased towards the rear end of the car

you will get the benefits of an improved sound throughout the entire RPM range

Perrin Nylon Coupler for 2.4in Turbo Inlet Hose 2002-2014 Subaru WRX / 2004-2021 STI | X-PSP-INT-404 Wheel Bolt Pattern_5x105 Our air filters utilize aFitment Information: 2002 2014 Subaru WRX 2004 2021 Subaru STI Features: Material GF Nylon Finish Black 5 Year Warranty This is a direct replacement 2. 4" nylon coupler for the PERRIN turbo inlet hoses.