STM Lightweight Front Drag Brake Kit for 2005-2021 WRX/STi Invidia run the largest diameter inlet

run the largest diameter inlet piping (3" preferred) to allow adequate airflow into the turbo and 3" diameter piping out of the turbine exhaust to facilitate maximum flow

This is the K&N Breather Filter you'll need: 62-2470

All mounting hardware is included to mount and vent to open atmosphere

Diagram PNC Part Number Sensor 55969L 4670A585 LH Rear

A fill up with E85 can drastically change the mix of fuel in your vehicle

STM Lightweight Front Drag Brake Kit for 2005-2021 WRX/STi Invidia run the largest diameter inletSTM Front Drag Brake Kits for 2005 2021 Subaru WRX and STi allow you to ditch the weight of your big, heavy stock rotors and calipers and clears room to run 15" wheels and slicks for drag racing applications and lose almost 50 pounds. We all know less rotating mass is the best way to free up power! Vehicle Fitment: 2005 2021 Subaru WRX 2005 2021 Subaru STi Fits 5x114. 3 ONLY (Does NOT fit 2002 2004 WRX) (Does NOT fit 2004 STi) (Does NOT fit 2022 WRX)