Process West Hood Scoop Splitter Subaru STI 2004-2005 | PWSP05 MSRP-BAD *Proper break in and running

*Proper break in and running high zinc oil is a must on flat tappet engines

CORE SIZE: 19

They feature premium organic materials with higher copper content for better heat transfer and steel-backed lining for greater burst strength and durability

5L NA (Non Turbo)

Process West Hood Scoop Splitter Subaru STI 2004-2005 | PWSP05 MSRP-BAD *Proper break in and runningProduct Fitment: 2004 2005 Subaru STI One of the most overlooked steps in upgrading a Subaru intercooler is proper airflow management. Without a correctly sized hood scoop splitter, even the best intercooler upgrade cannot perform at its full potential. Why It Matters A larger intercooler core increases cooling capacitybut only when airflow is properly directed: Factory splitter retained: Restricts airflow across the upgraded core Splitter removed: