Brake Rotors
FactionFab Front Brake Rotor Dual Drilled 5×100 / 5×114.3 Kit Subaru STI 2018-2021 FactionFab
Brake Rotors
FactionFab Rear Brake Rotors Dual Drilled 5×100 / 5×114.3 Pair Subaru STI 2018-2021 FactionFab
Steering Wheels
FactionFab Steering Wheel Carbon and Leather Subaru WRX / STI 2015-2021 | FFA1.10207.4 FactionFab
Wheel Spacers & Adapters
Brake Rotors
FactionFab Swept Slot Bi-Directional Brake Rotor Pair Front Subaru STI 2005-2017 FactionFab
Brake Rotors
FactionFab Swept Slot Bi-Directional Brake Rotor Pair Rear Subaru STI 2008-2017 FactionFab
Valvetrain Components
Ferrea +.001 Over Size Exhaust Valve Guide Subaru WRX / STI Turbo Models EJ20 / EJ25 (QTY 8) Ferrea
Intake and Exhaust Valves
Ferrea 35mm Competition Plus Intake Valve Subaru WRX / STI EJ25 EJ257 2004-2021 (QTY 8) Ferrea
Intake and Exhaust Valves
Ferrea Competition Plus 37mm 1mm Oversize Intake Valve Subaru EJ25 STI 2004-2021 (QTY 8) Ferrea
Engine Valve Springs and Retainers
Ferrea Drag Racing Dual Valve Spring Subaru WRX / STI EJ25 2004-2021 (QTY 16) Ferrea
Valvetrain Components
Ferrea Spring Seat Locator – Subaru WRX / STI EJ25 2004-2021 (QTY 16) Ferrea
Valvetrain Components
Ferrea Standard Size Intake Valve Guide Subaru WRX / STI Turbo Models EJ20 / EJ25 (QTY 8) Ferrea
Intake and Exhaust Valves
Ferrea Super Alloy 32mm Exhaust Valve Subaru WRX 2002-2014 / STI 2004-2021 EJ25 (QTY 8) Ferrea
Intake and Exhaust Valves
Ferrea Super Alloy 33mm Exhaust Valve Subaru WRX 2006-2014 / STI 2004-2021 EJ25 (QTY 8) Ferrea
Valvetrain Components
Ferrea Valve Seal Exhaust Subaru WRX / STI EJ Models 2002-2021 (QTY 8) Ferrea
Valvetrain Components
Ferrea Valve Seal Intake Subaru WRX / STI EJ25 2004-2021 (QTY 8) Ferrea
Engine Valve Springs and Retainers
Ferrea Valve Spring Titanium Retainer (15.70mm) Subaru WRX / STI EJ25 2004-2021 (QTY 16) Ferrea
Engine Valve Springs and Retainers
Ferrea Valve Spring Titanium Retainer (16.51mm) Subaru WRX / STI EJ25 2004-2021 (QTY 16) Ferrea
Drivetrain Flywheels
Exterior Rear Lips
Flow Designs Adjustable Side Splitter Winglets Subaru WRX / STI 2015-2021 Flow Designs
Exterior Diffusers
Flow Designs Flow-Lock Rear Diffuser Subaru WRX / STI 2015-2021 Flow Designs
Exterior Front Lips
Flow Designs Front Lip Splitter V1 Subaru WRX / STI 2015-2021 Flow Designs
Exterior Front Lips
Flow Designs Front Lip Splitter V2 Subaru WRX / STI 2015-2021 Flow Designs
Exterior Front Lips
Flow Designs Front Splitter Extensions Subaru WRX / STI 2015-2021 Flow Designs
Exterior Front Lips
Flow Designs Option A Front Winglets Subaru WRX / STI 2015-2021 Flow Designs
Exterior Front Lips
Flow Designs Option B Front Winglets Subaru WRX / STI 2015-2021 Flow Designs
Exterior Diffusers
Flow Designs Rear Diffuser Subaru WRX / STI 2015-2021 Flow Designs
Exterior Rear Lips
Flow Designs Rear Spat Winglets Subaru WRX / STI 2015-2021 Flow Designs
Exterior Rear Lips
Flow Designs Rear Spats Subaru WRX / STI 2015-2021 Flow Designs
Turbo Inlets / Air Inlets
Forced Performance 84mm Turbo Inlet Subaru WRX 2002-2007 / STI 2004-2021 Forced Performance
Turbos
Forced Performance Red Turbocharger 10cm Subaru WRX 2002-2007 / STI 2004-2021 Forced Performance
Turbos
Forced Performance Red Turbocharger 8cm Subaru WRX 2002-2007 / STI 2004-2021 Forced Performance