Process West Intake Manifold Track Version Reverse Throttle Position Subaru STI 2004-2021 | PWIM001 CivicSI_2006-2011 High Boost-Ready Construction: Built using

High Boost-Ready Construction: Built using thick-wall

Pro 5R Air Filter

The CP pistons for the 2nd Gen Evo 8 & 9 4g63 are an excelent choice for your engine build

Tuning and ECU mods recommended

The cores are made from a bar & plate design for durability

Process West Intake Manifold Track Version Reverse Throttle Position Subaru STI 2004-2021 | PWIM001 CivicSI_2006-2011 High Boost-Ready Construction: Built usingProduct Fitment: 2004 2021 Subaru STI When a standard throttle body location wont work for your setup, the Process West Track Billet Intake Manifold in DBW reverse orientation provides a high performance solution without compromise. Designed for demanding engine bay layouts, this configuration delivers the same proven power and airflow benefits in a more adaptable form. Built for serious performance applications, this manifold is ideal for track,