Process West Intake Manifold Track Version Reverse Throttle Position Subaru STI 2004-2021 | PWIM001 CivicSI_2006-2011 Their silicone couplers are made

Their silicone couplers are made from fiber reinforced 3-ply silicone tube

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

and harshness (NVH)

TB6010-SB02B

Pro 5R Air Filter

Process West Intake Manifold Track Version Reverse Throttle Position Subaru STI 2004-2021 | PWIM001 CivicSI_2006-2011 Their silicone couplers are madeProduct 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,