Cobb Fuel Pressure Regulator Kit - 2015-2021 Subaru STI tuning Our filters feature 2 flow

Our filters feature 2 flow directing cones which have been carefully modelled to direct airflow as follows:

Introducing the Black Series Three-Piece Carbon Fiber Front Lip for the 2022+ Subaru BRZ — a bold evolution in aerodynamic styling and performance

Results below are from HKS in-house testing

Many upgrades to the turbocharging system (such as larger turbochargers and external wastegates) require the increased performance

Cobb Fuel Pressure Regulator Kit - 2015-2021 Subaru STI tuning Our filters feature 2 flowThe COBB Subaru 15+ STI Fuel Pressure Regulator Kit is a plug and play solution that is simple and easy to install. It requires no cutting of factory hoses and is multi fuel compatible. This kit includes the fuel pressure regulator manifold reference relocation kit. Attention: Custom tuning required, find a Protuner near you. Why? Are you annoyed with that 2800 rpm stumble you get while driving your 2015+ Subaru STI? Wish you could easily fix it? COBB